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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 (
    170, 162, 168, 61, 166, 736, 734, 732, 
    733, 735, 737, 1569, 258, 257, 1783, 
    1779, 1782, 1781, 1676, 1229, 1181, 
    362, 256, 452, 420, 374, 800, 1136, 224, 
    795, 1839, 797, 798, 1409, 367, 1393, 
    484, 445, 157, 388, 585, 241, 629, 590, 
    860, 1790, 230, 413, 681, 393, 41, 1827, 
    1454, 1476, 1473, 1198, 1179, 1281, 
    926, 1258, 1168, 1394, 1259, 1865, 390, 
    1412, 1066, 1399, 1204, 1387, 332, 330, 
    333, 329, 327, 504, 1008, 758, 1817, 
    1819, 1172, 1196, 1908, 1809, 1405, 
    1851, 730, 1481, 382, 453, 425, 1428, 
    1425, 1426, 1430, 1429
  ) 
  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 0.00071

JSON explain

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