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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 (
    315850, 315943, 316618, 323594, 323621, 
    324557, 73605, 87023, 265180, 300746, 
    305637, 312771, 323588, 324430, 325131, 
    325407, 228357, 261812, 293942, 301454, 
    311274, 312663, 323303, 323592, 323617, 
    323627, 325112, 325133, 265183, 286299, 
    292637, 305636, 323586, 323587, 326296, 
    327385, 328466, 302560, 305634, 305635, 
    311273, 312778, 312795, 312812, 315904, 
    323590, 323591, 323593, 323868, 325122, 
    325132, 325561, 227930, 300730, 305638, 
    323589, 325842, 328159, 300747, 312765, 
    312793, 312794, 315903, 325109, 330705, 
    306671, 312633, 324549, 185419, 269163, 
    273172, 299568, 300753, 302068, 312659, 
    325126, 327998, 328311, 185033, 229515
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'ru'

Query time 0.00355

JSON explain

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