SELECT prd_top_description_cs, prd_name_cs, prd_webname_cs, prd_id, prd_category_main
FROM `pl_shop_products`
WHERE prd_active = 1
AND prd_top_product_number > 0
ORDER BY prd_top_product_number ASC
LIMIT 10
=
SELECT prd_top_description_cs, prd_name_cs, prd_webname_cs, prd_id, prd_category_main
FROM `pl_shop_products`
WHERE prd_active = 1
AND prd_new = 1
ORDER BY rand()
LIMIT 20
=