SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    93025, 93026, 93027, 93028, 93029, 93030, 
    93031, 93032, 93033, 93034, 93035, 
    93036, 93037, 93038, 93047, 93048, 
    93049, 93050, 93051, 93052, 93053, 
    93062, 93063, 93064, 93065, 93066, 
    93067, 93068, 93069, 93280, 93359, 
    93360, 93361, 93523, 93525, 93527, 
    93781, 93783, 93785, 94026, 94028, 
    94030, 94032, 94074, 94709, 94719, 
    94723, 94728
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00143

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "21.63"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 48,
      "rows_produced_per_join": 48,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "16.83",
        "eval_cost": "4.80",
        "prefix_cost": "21.63",
        "data_read_per_join": "183K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`nuie_scalesta_net`.`cscart_product_descriptions`.`product_id` in (93025,93026,93027,93028,93029,93030,93031,93032,93033,93034,93035,93036,93037,93038,93047,93048,93049,93050,93051,93052,93053,93062,93063,93064,93065,93066,93067,93068,93069,93280,93359,93360,93361,93523,93525,93527,93781,93783,93785,94026,94028,94030,94032,94074,94709,94719,94723,94728)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}