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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 (
    10744, 10745, 10746, 10688, 10727, 10728, 
    10729, 10730, 10731, 10732, 10733, 
    10313, 10314, 10315, 10316, 10317, 
    10318, 10319, 10320, 10321, 10322, 
    10459, 10460, 10461, 10462, 10463, 
    10464, 10465, 10829, 10830, 10831, 
    10832, 10833, 10834, 10835, 10836, 
    10837, 10838, 10839, 10596, 10597, 
    10598, 10599, 10600, 10521, 10520, 
    10519, 10518, 10517, 10516, 10515, 
    10514, 10513, 10512, 10511, 10510, 
    10509, 10508, 10507, 10506, 10505, 
    10504, 10503, 10502, 10501, 10500, 
    10499, 10498, 10497
  ) 
  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"
    }
  }
}