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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 (
    10529, 10528, 10527, 10526, 10525, 10524, 
    10522, 10495, 10494, 10493, 10492, 
    10491, 10490, 10489, 10488, 10487, 
    10486, 10485, 10483, 10482, 10481, 
    10480, 10479, 10478, 10477, 10476, 
    10475, 10474, 10473, 10472, 10471, 
    10470, 10469, 10468, 10467, 10466, 
    12582, 12583, 12584, 10465, 10464, 
    10463, 10462, 10461, 10460, 10459, 
    12581, 12699, 12698, 12697, 12696, 
    12695, 12694, 12693, 12692, 12691, 
    10447, 10448, 10449, 10450, 10451, 
    10452, 10453, 10454
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'ru'

Query time 0.00030

JSON explain

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