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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 (
    12995, 12996, 12997, 12998, 10713, 10714, 
    10715, 10716, 10717, 10718, 10719, 
    10720, 10721, 10722, 10723, 10305, 
    10306, 10307, 10308, 10309, 10310, 
    10311, 10312, 12999, 13000, 13001, 
    13002, 13003, 13004, 13005, 13006, 
    13007, 13008, 13009, 13010, 13011, 
    13012, 9874, 9875, 9887, 9879, 9796, 
    9942, 9943, 9941, 9944, 10813, 10814, 
    10815, 10816, 10817, 10818, 10819, 
    10820, 10821, 10822, 10823, 10824, 
    10825, 10826, 10704, 10705, 10706, 
    10707
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'ru'

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}