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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 (
    10975, 5759, 1925, 11317, 10974, 11013, 
    11023, 11027, 11315, 11314, 11313, 
    11312, 11036, 11073, 11089, 11309, 
    11302, 10884, 11300, 11256, 11257, 
    11316, 10830, 11286, 11285, 11284, 
    11283, 3875, 11282, 10638, 10870, 11031, 
    11030, 10738, 11253, 11025, 11267, 
    11266, 11265, 11264, 11263, 11262, 
    11259, 11261, 10848, 10979, 11012, 
    11024, 11090, 11234, 11235, 11258, 
    11254, 11269, 10333, 11015, 11018, 
    11019, 11238, 11251, 11307, 11308, 
    11002, 10335
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'fr'

Query time 0.00208

JSON explain

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