SELECT 
  cscart_images.*, 
  cscart_images_links.*, 
  cscart_common_descriptions.description AS alt, 
  cscart_images.image_id AS images_image_id 
FROM 
  cscart_images_links 
  LEFT JOIN cscart_images ON cscart_images_links.image_id = cscart_images.image_id 
  LEFT JOIN cscart_common_descriptions ON cscart_common_descriptions.object_id = cscart_images.image_id 
  AND cscart_common_descriptions.object_holder = 'images' 
  AND cscart_common_descriptions.lang_code = 'en' 
WHERE 
  cscart_images_links.object_type = 'variant_image' 
  AND cscart_images_links.type = 'V' 
  AND cscart_images_links.object_id IN (
    742, 741, 748, 747, 762, 761, 768, 767, 
    778, 777, 782, 781, 816, 815, 830, 829, 
    842, 841, 860, 859, 864, 863, 866, 865, 
    878, 877, 884, 883, 894, 893, 898, 897, 
    932, 931, 946, 945, 958, 957, 976, 975, 
    980, 979, 982, 981, 994, 993, 996, 995, 
    1014, 1013, 1016, 1015, 1018, 1017, 
    1020, 1019
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00162

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "324.81"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "56.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_images_links",
            "access_type": "range",
            "possible_keys": [
              "object_id"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type",
              "type"
            ],
            "key_length": "81",
            "rows_examined_per_scan": 56,
            "rows_produced_per_join": 56,
            "filtered": "100.00",
            "index_condition": "((`eshopuga_upgr_4122`.`cscart_images_links`.`object_type` = 'variant_image') and (`eshopuga_upgr_4122`.`cscart_images_links`.`type` = 'V') and (`eshopuga_upgr_4122`.`cscart_images_links`.`object_id` in (742,741,748,747,762,761,768,767,778,777,782,781,816,815,830,829,842,841,860,859,864,863,866,865,878,877,884,883,894,893,898,897,932,931,946,945,958,957,976,975,980,979,982,981,994,993,996,995,1014,1013,1016,1015,1018,1017,1020,1019)))",
            "cost_info": {
              "read_cost": "123.21",
              "eval_cost": "11.20",
              "prefix_cost": "134.41",
              "data_read_per_join": "5K"
            },
            "used_columns": [
              "pair_id",
              "object_id",
              "object_type",
              "image_id",
              "detailed_id",
              "type",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_images",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "image_id"
            ],
            "key_length": "4",
            "ref": [
              "eshopuga_upgr_4122.cscart_images_links.image_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 56,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "56.00",
              "eval_cost": "11.20",
              "prefix_cost": "201.61",
              "data_read_per_join": "42K"
            },
            "used_columns": [
              "image_id",
              "image_path",
              "image_x",
              "image_y",
              "is_high_res"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_common_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "lang_code",
              "object_holder"
            ],
            "key_length": "107",
            "ref": [
              "eshopuga_upgr_4122.cscart_images.image_id",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 56,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "56.00",
              "eval_cost": "11.20",
              "prefix_cost": "268.81",
              "data_read_per_join": "33K"
            },
            "used_columns": [
              "object_id",
              "description",
              "lang_code",
              "object_holder"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`eshopuga_upgr_4122`.`cscart_common_descriptions`.`object_id` = `eshopuga_upgr_4122`.`cscart_images`.`image_id`), true)"
          }
        }
      ]
    }
  }
}