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SELECT 
  vi_ult_product_descriptions.product_id, 
  vi_ult_product_descriptions.short_description, 
  IF(
    vi_ult_product_descriptions.short_description = "", 
    vi_ult_product_descriptions.full_description, 
    ""
  ) AS full_description, 
  vi_ult_product_descriptions.meta_keywords, 
  vi_ult_product_descriptions.meta_description, 
  vi_ult_product_descriptions.search_words, 
  vi_ult_product_descriptions.promo_text 
FROM 
  vi_ult_product_descriptions 
WHERE 
  vi_ult_product_descriptions.product_id IN (
    12, 78, 79, 11, 41, 81, 107, 109, 91, 92, 
    34, 15, 31, 38, 80, 102, 28, 280, 282, 
    278
  ) 
  AND vi_ult_product_descriptions.company_id = 1 
  AND vi_ult_product_descriptions.lang_code = 'pt'

Query time 0.00009

JSON explain

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