>>select products.id, products.price, products.discount, categoriesMRLN, titleEN, products.qnt, callForPrice, onMenu, availability, kind, alias, crazySale, new_pr, offer, code, old_price, color, allCombs, colorsNsizes.discount, size, postEN, weight, labels, colorsNsizes.qnt as qntpervariation from products left join colorsNsizes on products.id=colorsNsizes.productID where colorsNsizes.available=1 and products.outOfStock=0 and categoriesMRLN!="" and (CONCAT(",", categoriesMRLN, ",") REGEXP ",(63|448|519|450|447|518|449),")