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.detailed_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 = 'product' 
  AND cscart_images_links.type = 'M' 
  AND cscart_images_links.object_id IN (
    3171, 6742, 3166, 3167, 3174, 3180, 3187, 
    3193, 3195, 3271, 3282, 6757, 6842, 
    7008, 3172, 6820, 426, 3170, 602, 657, 
    667, 688, 699, 710, 751, 3316, 6761, 
    6850, 6859, 7279, 7352, 7356, 436, 2310, 
    5905, 5906, 5907, 5904, 5908, 5909, 
    2305, 2306, 2307, 2308, 2309
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00219

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "110.16"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "46.00"
      },
      "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": 46,
            "rows_produced_per_join": 46,
            "filtered": "100.00",
            "index_condition": "((`gaseus`.`cscart_images_links`.`object_type` = 'product') and (`gaseus`.`cscart_images_links`.`type` = 'M') and (`gaseus`.`cscart_images_links`.`object_id` in (3171,6742,3166,3167,3174,3180,3187,3193,3195,3271,3282,6757,6842,7008,3172,6820,426,3170,602,657,667,688,699,710,751,3316,6761,6850,6859,7279,7352,7356,436,2310,5905,5906,5907,5904,5908,5909,2305,2306,2307,2308,2309)))",
            "cost_info": {
              "read_cost": "27.36",
              "eval_cost": "4.60",
              "prefix_cost": "31.96",
              "data_read_per_join": "4K"
            },
            "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": [
              "gaseus.cscart_images_links.detailed_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 46,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "11.50",
              "eval_cost": "4.60",
              "prefix_cost": "48.06",
              "data_read_per_join": "35K"
            },
            "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": "108",
            "ref": [
              "gaseus.cscart_images.image_id",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 46,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "11.50",
              "eval_cost": "4.60",
              "prefix_cost": "64.16",
              "data_read_per_join": "27K"
            },
            "used_columns": [
              "object_id",
              "description",
              "lang_code",
              "object_holder"
            ]
          }
        }
      ]
    }
  }
}