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SELECT 
  cscart_ult_product_prices.product_id, 
  MIN(
    IF(
      cscart_ult_product_prices.percentage_discount = 0, 
      cscart_ult_product_prices.price, 
      cscart_ult_product_prices.price - (
        cscart_ult_product_prices.price * cscart_ult_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_ult_product_prices 
WHERE 
  cscart_ult_product_prices.product_id IN (
    12989, 12990, 12991, 12992, 12993, 12994, 
    10403, 10404, 10405, 15781, 10406, 
    10407, 10408, 10409, 10410, 10411, 
    10412, 12853, 12854, 12855, 10414, 
    10415, 10416, 12856, 10417, 10418, 
    10419, 10420, 10421, 10422, 10423, 
    10424, 10384, 10383, 10382, 10753, 
    10754, 10755, 10296, 10297, 10298, 
    10299, 10300, 10446, 10063, 10052, 
    10072, 10046, 10059, 10064, 10057, 
    10048, 10062, 10070, 10058, 10045, 
    10054, 10047, 10071, 10067, 10051, 
    10060, 10055, 10043
  ) 
  AND cscart_ult_product_prices.lower_limit = 1 
  AND cscart_ult_product_prices.company_id = 1 
  AND cscart_ult_product_prices.usergroup_id IN (0, 0, 1) 
GROUP BY 
  cscart_ult_product_prices.product_id

Query time 0.00030

JSON explain

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