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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 (
    450, 451, 452, 453, 454, 455, 1932, 1933, 
    1934, 1935, 1936, 1937, 1938, 1939, 
    1940, 1941, 1942, 1943, 1944, 1945, 
    1946, 1947, 1948, 1949, 1950, 1951, 
    1952, 1953, 1954, 1955, 1956, 1957, 
    1958, 1959, 1960, 1961, 1962, 1963, 
    1964, 1965, 1966, 1967, 1968, 1969, 
    1970, 1971, 1972, 1973, 1974, 1975, 
    1976, 1977, 1978, 1979, 1980, 1981, 
    1982, 1983, 1984, 4253, 4254, 4255, 
    4256, 4257, 4258, 4259, 4260, 4261, 
    5614, 5615, 5616, 5617, 5618, 5619, 
    5620, 5621, 5622, 5623, 5624, 5625, 
    5626, 5627, 5628, 5629, 5630, 5631, 
    5632, 5633, 5634, 5635, 5636, 5637, 
    5638, 5639, 5640, 5641
  ) 
  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 0.00039

JSON explain

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