UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7CXLnqgz1G87+DKxpduhEy/zd9O6zJcu1J3FOhflp4=' 
WHERE 
  key_id = '20bce3ecc18be5dcdaa499a06572273247a5606e82b464c5507a016d6eb38ce8' 
  AND (
    token = 'b7CXLnqgz1G87+DKxpduhEy/zd9O6zJcu1J3FOhflp4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )