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SELECT 
  cscart_ult_product_descriptions.product_id, 
  cscart_ult_product_descriptions.short_description, 
  IF(
    cscart_ult_product_descriptions.short_description = "", 
    cscart_ult_product_descriptions.full_description, 
    ""
  ) AS full_description, 
  cscart_ult_product_descriptions.meta_keywords, 
  cscart_ult_product_descriptions.meta_description, 
  cscart_ult_product_descriptions.search_words, 
  cscart_ult_product_descriptions.promo_text 
FROM 
  cscart_ult_product_descriptions 
WHERE 
  cscart_ult_product_descriptions.product_id IN (
    51088, 51087, 22713, 51086, 51089, 51090, 
    51092, 51093, 22714, 51091, 51095, 
    51103, 22712, 51105, 51102, 51101, 
    51155, 51154, 51153, 51152, 21, 51158, 
    51157, 51156, 53, 51160, 51159, 51297, 
    51296, 139, 51300, 51299, 51298, 51304, 
    51303, 51302, 51301, 138, 51443, 51309, 
    51308, 51307, 51306, 51305, 129, 51318, 
    51317, 51316, 51, 51319, 51323, 51322, 
    51321, 51320, 50, 51324, 51497, 51498, 
    51564, 51568, 51569, 51570, 51571, 
    51572, 51573, 51565, 51574, 51575, 
    51576, 51577, 51566, 51578, 51579, 
    51580, 51581, 51567, 51582, 51583, 
    51584, 51585, 51586
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'ru'

Query time 0.00038

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}