UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7C66wGWkiU9dS8chWQmnBYxZnCsSz6/GDwAKFEiMLU=' 
WHERE 
  key_id = 'f6686ff2dba995e7c2d38688bdacbdb4a95779225cd1944cc6c20e23e602ddbc' 
  AND (
    token = 'r7C66wGWkiU9dS8chWQmnBYxZnCsSz6/GDwAKFEiMLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )