SELECT 
  cscart_bm_snapping.grid_id as grid_id, 
  cscart_bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  cscart_bm_block_statuses.object_ids as object_ids, 
  cscart_bm_snapping.*, 
  cscart_bm_blocks.*, 
  cscart_bm_blocks_descriptions.* 
FROM 
  cscart_bm_snapping 
  LEFT JOIN cscart_bm_blocks ON cscart_bm_blocks.block_id = cscart_bm_snapping.block_id 
  LEFT JOIN cscart_bm_block_statuses ON cscart_bm_snapping.snapping_id = cscart_bm_block_statuses.snapping_id 
  AND cscart_bm_block_statuses.object_type LIKE 'categories' 
  LEFT JOIN cscart_bm_blocks_descriptions ON cscart_bm_blocks.block_id = cscart_bm_blocks_descriptions.block_id 
  LEFT JOIN cscart_bm_blocks_content AS default_content ON cscart_bm_blocks.block_id = default_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN cscart_bm_blocks_content AS dynamic_object_content ON cscart_bm_blocks.block_id = dynamic_object_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 523 
  AND dynamic_object_content.object_type like 'categories' 
WHERE 
  cscart_bm_snapping.grid_id IN (
    8952, 8949, 8953, 8957, 8950, 8954, 8958, 
    8948, 8951, 8955, 8956, 8959, 8960, 
    8962, 8961, 8965, 8966, 8973, 8967, 
    8972, 8970, 8968, 8969, 8971, 9000, 
    9006, 9001, 9007, 9002, 9003, 9004, 
    9005
  ) 
  AND cscart_bm_blocks_descriptions.lang_code = 'en' 
  AND cscart_bm_blocks.company_id = 56 
ORDER BY 
  cscart_bm_snapping.order, 
  cscart_bm_snapping.block_id

Query time 0.00129

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "172.79"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "88.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_bm_snapping",
            "access_type": "range",
            "possible_keys": [
              "grid_id"
            ],
            "key": "grid_id",
            "used_key_parts": [
              "grid_id"
            ],
            "key_length": "4",
            "rows_examined_per_scan": 44,
            "rows_produced_per_join": 44,
            "filtered": "100.00",
            "index_condition": "(`primapearl_r_new`.`cscart_bm_snapping`.`grid_id` in (8952,8949,8953,8957,8950,8954,8958,8948,8951,8955,8956,8959,8960,8962,8961,8965,8966,8973,8967,8972,8970,8968,8969,8971,9000,9006,9001,9007,9002,9003,9004,9005))",
            "cost_info": {
              "read_cost": "23.41",
              "eval_cost": "4.40",
              "prefix_cost": "27.81",
              "data_read_per_join": "34K"
            },
            "used_columns": [
              "snapping_id",
              "block_id",
              "grid_id",
              "wrapper",
              "user_class",
              "order",
              "status"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_blocks",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "primapearl_r_new.cscart_bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 4,
            "filtered": "10.00",
            "cost_info": {
              "read_cost": "11.00",
              "eval_cost": "0.44",
              "prefix_cost": "43.21",
              "data_read_per_join": "985"
            },
            "used_columns": [
              "block_id",
              "type",
              "properties",
              "company_id",
              "storefront_id"
            ],
            "attached_condition": "(`primapearl_r_new`.`cscart_bm_blocks`.`company_id` = 56)"
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_blocks_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "lang_code"
            ],
            "key_length": "10",
            "ref": [
              "primapearl_r_new.cscart_bm_snapping.block_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 4,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.10",
              "eval_cost": "0.44",
              "prefix_cost": "44.75",
              "data_read_per_join": "915"
            },
            "used_columns": [
              "block_id",
              "lang_code",
              "name"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_block_statuses",
            "access_type": "ref",
            "possible_keys": [
              "snapping_id"
            ],
            "key": "snapping_id",
            "used_key_parts": [
              "snapping_id"
            ],
            "key_length": "4",
            "ref": [
              "primapearl_r_new.cscart_bm_snapping.snapping_id"
            ],
            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 8,
            "filtered": "100.00",
            "index_condition": "<if>(is_not_null_compl(cscart_bm_block_statuses), ((`primapearl_r_new`.`cscart_bm_snapping`.`snapping_id` = `primapearl_r_new`.`cscart_bm_block_statuses`.`snapping_id`) and (`primapearl_r_new`.`cscart_bm_block_statuses`.`object_type` like 'categories')), true)",
            "cost_info": {
              "read_cost": "2.20",
              "eval_cost": "0.88",
              "prefix_cost": "47.83",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "snapping_id",
              "object_ids",
              "object_type"
            ]
          }
        },
        {
          "table": {
            "table_name": "default_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "snapping_id",
              "lang_code",
              "object_id"
            ],
            "key_length": "18",
            "ref": [
              "primapearl_r_new.cscart_bm_snapping.block_id",
              "const",
              "primapearl_r_new.cscart_bm_blocks_descriptions.lang_code",
              "const"
            ],
            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 17,
            "filtered": "100.00",
            "index_condition": "<if>(is_not_null_compl(default_content), (`primapearl_r_new`.`default_content`.`object_type` like ''), true)",
            "cost_info": {
              "read_cost": "4.40",
              "eval_cost": "1.76",
              "prefix_cost": "53.99",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ]
          }
        },
        {
          "table": {
            "table_name": "dynamic_object_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "primapearl_r_new.cscart_bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 5,
            "rows_produced_per_join": 88,
            "filtered": "100.00",
            "index_condition": "<if>(is_not_null_compl(dynamic_object_content), ((`primapearl_r_new`.`dynamic_object_content`.`object_id` = 523) and (`primapearl_r_new`.`dynamic_object_content`.`lang_code` = `primapearl_r_new`.`cscart_bm_blocks_descriptions`.`lang_code`) and (`primapearl_r_new`.`dynamic_object_content`.`object_type` like 'categories')), true)",
            "cost_info": {
              "read_cost": "22.00",
              "eval_cost": "8.80",
              "prefix_cost": "84.79",
              "data_read_per_join": "19K"
            },
            "used_columns": [
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ]
          }
        }
      ]
    }
  }
}

Result

grid_id block_id content object_id object_type object_ids snapping_id wrapper user_class order status type properties company_id storefront_id lang_code name
8953 2975 a:1:{s:4:"menu";i:39;} 0 10118 top-quick-links hidden-phone 0 A menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"Y";} 56 2 en Быстрые ссылки
9000 2982 0 10173 0 A breadcrumbs a:1:{s:8:"template";s:22:"common/breadcrumbs.tpl";} 56 2 en Строка навигации
8969 2985 a:1:{s:7:"content";s:901:"<h3 class="ty-footer-general__header cm-combination" id="sw_footer-general_17"> Join to us </h3> <div class="social-link-block"> <div class="social-link facebook"> <a href="https://www.facebook.com/%D0%A3%D0%BA%D1%80%D0%B0%D1%88%D0%B5%D0%BD%D0%B8%D1%8F-%D1%81-%D0%B6%D0%B5%D0%BC%D1%83%D0%B3%D0%BE%D0%BC-%D0%9F%D1%80%D0%B8%D0%BC%D0%B0-%D0%AD%D0%BA%D1%81%D0%BA%D0%BB%D1%8E%D0%B7%D0%B8%D0%B2-428815857606752/" rel="nofollow" target="_blank"><i class="icon-facebook"></i></a> </div> <div class="social-link vk"> <a href="#" rel="nofollow"><i class="icon-vk"></i></a> </div> <div class="social-link in"> <a href="https://www.instagram.com/primapearlru/" rel=" nofollow" target="_blank"><i class="icon-in"></i></a> </div> <div class="social-link p"> <a href="https://ru.pinterest.com/f5722e1189271903bae1cc35c7a215/" rel="nofollow"><i class="icon-p"></i></a> </div> </div>";} 0 10131 0 A smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en Социальные ссылки
8966 2986 0 10127 blocks/wrappers/footer_general.tpl 0 D template a:1:{s:8:"template";s:53:"blocks/static_templates/my_account_links_advanced.tpl";} 56 2 en Кабинет покупателя
8967 2987 a:1:{s:4:"menu";i:37;} 0 10129 blocks/wrappers/footer_general.tpl footer-menu-shop 0 D menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 56 2 en Магазин
8968 2988 a:1:{s:4:"menu";i:41;} 0 10130 blocks/wrappers/footer_general.tpl footer-menu-create-orders 0 D menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 56 2 en Помощь
8972 2990 0 10134 0 D template a:1:{s:8:"template";s:37:"blocks/static_templates/copyright.tpl";} 56 2 en Копирайт
9002 3003 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:0:"";}} 0 10175 filter-block 0 D product_filters a:1:{s:8:"template";s:48:"blocks/product_filters/for_category/original.tpl";} 56 2 en Фильтры товаров
9001 3004 a:1:{s:5:"items";a:2:{s:7:"filling";s:15:"recent_products";s:5:"limit";s:1:"3";}} 0 10174 blocks/wrappers/sidebox_important.tpl 0 D products a:3:{s:8:"template";s:40:"blocks/products/products_small_items.tpl";s:11:"item_number";s:1:"N";s:23:"hide_add_to_cart_button";s:1:"Y";} 56 2 en Недавно просмотренные
8950 3019 a:1:{s:7:"content";s:181:"<div class="ty-logo-container"> <a href="/" title=""> <img src="/images/logos/1/logo.png" alt="" class="ty-logo-container__image" width="280" height="114"> </a> </div> ";} 0 10114 top-logo 0 A smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en Логотип
8951 3020 a:1:{s:7:"content";s:169:"<p><a href="javascript:void(0);" class="cm-responsive-menu responsive-menu-custom"><img src="/design/themes/prima_pearl/media/images/menu.svg" alt="mobile menu"></a></p>";} 0 10116 responsive-menu-block 0 A html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Скрытое меню для мобильных
8973 3023 a:1:{s:7:"content";s:93:"<p><img src="/design/themes/prima_pearl/media/images/green_login.png" alt="ssl verified"></p>";} 0 10135 0 D html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Иконка зеленого логина
9003 3029 a:1:{s:7:"content";s:717:"<div class="advantages-block"> <div class="span3 advantages-item advantages-item-1"> <div class="advantages-item-block"> <p>Экспресс доставка</p> </div> </div> <div class="span3 advantages-item advantages-item-2"> <div class="advantages-item-block"><p>Обмен и возврат</p> </div> </div> <div class="span3 advantages-item advantages-item-3"> <div class="advantages-item-block"><p>Более 12 000 моделей ювелирных изделий</p> </div> </div> <div class="span3 advantages-item advantages-item-4"> <div class="advantages-item-block"><p>Крупнейший производитель в России</p> </div> </div> </div>";} 0 10181 0 D html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Иконки с преимуществами
9006 3032 a:1:{s:7:"content";s:136:"<p><img src="/design/themes/prima_pearl/media/images/subscribe.png" alt="Подписка на рассылку новостей"> </p>";} 0 10183 0 D html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Картинка блока подписки
9007 3033 a:1:{s:7:"content";s:348:"<div class="subscribe-title"> <span>Подпишитесь на рассылку</span> </div> <div class="subscribe-text"> <p>Будьте в курсе самых лучших предложений и свежих новостей. Введите свой email и нажмите «Подписаться». </p> <p><br> </p> </div>";} 0 10184 0 D html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Текст для блока подписки
9004 3050 a:1:{s:7:"content";s:401:"{if $category_data.description || $runtime.customization_mode.live_editor} <div class="ty-wysiwyg-content ty-mb-s cm-reload-{$category_data.category_id}" {live_edit name="category:description:{$category_data.category_id}"} id="cp_category_description{*$category_data.category_id*}">{$category_data.description nofilter}<!--cp_category_description{*$category_data.category_id*}--></div> {/if} ";} 0 10182 0 D smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en SEO текст [Контентная часть страницы с товарами]
9002 3052 a:1:{s:5:"items";a:3:{s:7:"filling";s:13:"full_tree_cat";s:18:"parent_category_id";i:502;s:7:"sort_by";s:8:"position";}} 0 10179 addons/cp_power_seo_filter/blocks/wrappers/cp_vs_mainbox_icon.tpl 0 D categories a:2:{s:8:"template";s:49:"blocks/categories/categories_multicolumn_list.tpl";s:17:"number_of_columns";s:1:"3";} 56 2 en Коллекции украшений
9002 3053 a:1:{s:5:"items";a:3:{s:7:"filling";s:13:"full_tree_cat";s:18:"parent_category_id";i:507;s:7:"sort_by";s:8:"position";}} 0 10177 addons/cp_power_seo_filter/blocks/wrappers/cp_vs_mainbox_icon.tpl 0 D categories a:2:{s:8:"template";s:49:"blocks/categories/categories_multicolumn_list.tpl";s:17:"number_of_columns";s:1:"3";} 56 2 en Серьги с жемчугом
8949 3098 0 10460 0 A storefront_language_switcher a:1:{s:8:"template";s:71:"addons/storefront_lang_switcher/blocks/storefront_language_switcher.tpl";} 56 2 en Выбрать язык
8951 2978 a:1:{s:7:"content";s:370:"<div class="ty-cr-phone-number-link">{*<div class="ty-cr-link">{call_request}</div>*}<div class="ty-cr-phone"><a class="phone-switch" href="tel:{$settings.Company.company_phone}" title="{$settings.Company.company_phone}">{$settings.Company.company_phone}</a></div><div class="ty-cr-phone-caption"><p>Звонок по России бесплатный</p></div></div> ";} 0 10115 1 D smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en Обратный звонок
9007 2984 0 10185 1 D template a:1:{s:8:"template";s:56:"addons/newsletters/blocks/static_templates/subscribe.tpl";} 56 2 en Подписаться
8966 2989 a:1:{s:7:"content";s:118:"<span>Hong Kong </span> <span>Room 715, 7/F, Fu Hang Ind Bldg, No.1 Hok Yuen Street East, Hunghom, Kowloon</span> ";} 0 10128 blocks/wrappers/footer_general.tpl footer-no-wysiwyg footer-contacts 1 A smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en Contacts
8969 2991 0 10132 1 A template a:1:{s:8:"template";s:45:"blocks/static_templates/payment_icons_rus.tpl";} 56 2 en Иконки платежных систем
8953 3021 a:1:{s:7:"filling";s:8:"products";} 0 10119 1 D rss_feed a:5:{s:8:"template";s:35:"addons/rss_feed/blocks/rss_feed.tpl";s:7:"filling";a:1:{s:8:"products";a:6:{s:11:"rss_sort_by";s:1:"U";s:15:"rss_display_sku";s:1:"Y";s:17:"rss_display_image";s:1:"Y";s:17:"rss_display_price";s:1:"Y";s:26:"rss_display_original_price";s:1:"N";s:23:"rss_display_add_to_cart";s:1:"Y";}}s:8:"max_item";s:2:"10";s:10:"feed_title";s:36:"ООО ПРИМА ЭКСКЛЮЗИВ";s:16:"feed_description";s:0:"";} 56 2 en Каталог RSS ПримаЭксклюзив
9002 3051 a:1:{s:5:"items";a:3:{s:7:"filling";s:13:"full_tree_cat";s:18:"parent_category_id";i:501;s:7:"sort_by";s:8:"position";}} 0 10178 addons/cp_power_seo_filter/blocks/wrappers/cp_vs_mainbox_icon.tpl 1 D categories a:2:{s:8:"template";s:49:"blocks/categories/categories_multicolumn_list.tpl";s:17:"number_of_columns";s:1:"3";} 56 2 en Каталог
8955 2976 0 10121 blocks/wrappers/onclick_dropdown.tpl top-my-account 2 A my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 56 2 en Login / Register
8950 2977 0 10113 top-logo 2 D template a:1:{s:8:"template";s:32:"blocks/static_templates/logo.tpl";} 56 2 en Логотип
8958 2979 0 10123 2 A template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 56 2 en Поиск мобильный
8951 2979 0 10117 mobile-search 2 A template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 56 2 en Поиск мобильный
8962 2980 0 10124 2 A cart_content a:4:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";} 56 2 en Корзина
8957 2981 a:1:{s:4:"menu";i:42;} 0 10122 top-menu 2 A menu a:3:{s:8:"template";s:35:"blocks/menu/dropdown_horizontal.tpl";s:30:"dropdown_second_level_elements";s:2:"12";s:29:"dropdown_third_level_elements";s:1:"6";} 56 2 en Главное меню
9002 2983 0 10176 addons/cp_power_seo_filter/blocks/wrappers/cp_vs_mainbox_icon.tpl 2 A main 56 2 en Главное содержимое
8949 3017 a:1:{s:7:"content";s:3143:"<span class="option-city-label">Switch to:</span> <div class="ty-sort-dropdown"> <a id="sw_city_block" class="ty-sort-dropdown__wrapper cm-combination"> English<i class="ty-sort-dropdown__icon ty-icon-down-micro"></i></a> <ul id="city_block" class="ty-sort-dropdown__content cm-popup-box hidden"> <li class="ty-sort-dropdown__content-item"> <a class="ty-sort-dropdown__content-item-a" data-ca-target-id="pagination_contents" href="/" rel="nofollow"> English </a> <li class="ty-sort-dropdown__content-item"> <a class="ty-sort-dropdown__content-item-a" data-ca-target-id="pagination_contents" href="https://mig.primapearl.ru" rel="nofollow">Russian</a> </li> <!--<li class="ty-sort-dropdown__content-item"> <a class="ty-sort-dropdown__content-item-a" data-ca-target-id="pagination_contents" href="/" rel="nofollow">Казань</a>!--> </li> </ul> </div>";} 0 10112 2 D smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 56 2 en Где купить?
8954 3018 a:1:{s:4:"menu";i:40;} 0 10120 top-quick-links hidden-phone 2 A menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 56 2 en Быстрые ссылки (дополнительно)
8971 3022 a:1:{s:7:"content";s:99:"<p><a href="/privacy-policy.html">Конфиденциальность и cookie-файлы</a></p>";} 0 10133 2 D html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 56 2 en Конфиденциальность и cookie-файлы
9002 3021 a:1:{s:7:"filling";s:8:"products";} 0 10180 3 D rss_feed a:5:{s:8:"template";s:35:"addons/rss_feed/blocks/rss_feed.tpl";s:7:"filling";a:1:{s:8:"products";a:6:{s:11:"rss_sort_by";s:1:"U";s:15:"rss_display_sku";s:1:"Y";s:17:"rss_display_image";s:1:"Y";s:17:"rss_display_price";s:1:"Y";s:26:"rss_display_original_price";s:1:"N";s:23:"rss_display_add_to_cart";s:1:"Y";}}s:8:"max_item";s:2:"10";s:10:"feed_title";s:36:"ООО ПРИМА ЭКСКЛЮЗИВ";s:16:"feed_description";s:0:"";} 56 2 en Каталог RSS ПримаЭксклюзив