SELECT
vi_ult_product_prices.product_id,
MIN(
IF(
vi_ult_product_prices.percentage_discount = 0,
vi_ult_product_prices.price,
vi_ult_product_prices.price - (
vi_ult_product_prices.price * vi_ult_product_prices.percentage_discount
)/ 100
)
) AS price
FROM
vi_ult_product_prices
WHERE
vi_ult_product_prices.product_id IN (122, 115, 124)
AND vi_ult_product_prices.lower_limit = 1
AND vi_ult_product_prices.company_id = 1
AND vi_ult_product_prices.usergroup_id IN (0, 0, 1)
GROUP BY
vi_ult_product_prices.product_id