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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 (
    1675, 1931, 1544, 1845, 1540, 1512, 1525, 
    1536, 1538, 1937, 1581, 1582, 1838, 
    1938, 1830, 1514, 1835, 1678, 1693, 
    1711, 1699, 1698, 1869, 1834, 1833, 
    1928, 1537, 1539, 1436, 1411, 1397, 
    1741, 1330, 1486, 1546, 1651, 1661, 
    255, 1742, 1598, 1565, 1597, 1708, 1694, 
    1732, 1596, 1632, 1618
  ) 
  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 0.00060

JSON explain

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