UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RBlp9qPO4l8s2n3wkf9C3xoqvq/UqhdRAZqj/+tXvcI=' 
WHERE 
  key_id = '9ad853bc847a360f66a622df3251b5e10359699fcd69427bf525a02577f84548' 
  AND (
    token = 'RBlp9qPO4l8s2n3wkf9C3xoqvq/UqhdRAZqj/+tXvcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )