SELECT p.products_id,
IF(s.status, s.specials_new_products_price, NULL) as specials_new_products_price,
IF(s.status, s.specials_new_products_price, NULL) as final_price
FROM products p
LEFT JOIN specials s
ON s.products_id = p.products_id
WHERE specials_new_products_price < 1000
SELECT p.products_id,
IF(s.status, s.specials_new_products_price, NULL) as specials_new_products_price,
IF(s.status, s.specials_new_products_price, NULL) as final_price
FROM products p
LEFT JOIN specials s
ON s.products_id = p.products_id
WHERE final_price < 1000