I think this will help you,
Code Select
KKCriteria updateC = getNewCriteria();
KKCriteria selectC = getNewCriteria();
updateC.addForInsert(BaseOrdersPeer.CUSTOM1, "VALUE");
updateC.addForInsert(BaseOrdersPeer.CUSTOM2, "VALUE");
updateC.addForInsert(BaseOrdersPeer.CUSTOM3, "VALUE");
selectC.add(BaseOrdersPeer.ORDERS_ID, order.getId());
BasePeer.doUpdate(selectC, updateC);