UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SWd+TrBOXHzYc05ZdkvJ/itOCXE2FlDqMcpVf4AcjXA=' 
WHERE 
  key_id = '851b6dfc4f61df97b458a4820639c46d7b5ff3ab31a8401c4fbeae89fb1481e0' 
  AND (
    token = 'SWd+TrBOXHzYc05ZdkvJ/itOCXE2FlDqMcpVf4AcjXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )