557204 MySQL expert wanted with oscommerce experience

We need the following done: Live shop oscommerce 250.000 products Copy of this shop on a separate database we added 750.000 products in here the new added products we need to be added in the live shop the product_id is different because of incrementation The categories has to be change according a list we got. now is like 4018242247868 4022693743060 4022693743305 4022693743664 4022693743725 4022693744395 4022693745224 4024074044414 4024074092798 4024074098479 4024074106709 4024074112564 4024074139271 4024074144114 4024074154861 4024074256602 4024074291672 4024074293942 4024074437421 So we need to find a way to convert those codes into categories text