UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vrPxzDA8QVZXXq0ydFMb2Xh8u9YIQGYMP0Luw4sUGe0=' 
WHERE 
  key_id = '3792c5e2288ac7fd687b3bbb57f940adfca270ecfd836e5a9742855de46684de' 
  AND (
    token = 'vrPxzDA8QVZXXq0ydFMb2Xh8u9YIQGYMP0Luw4sUGe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )