UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't7pFZEGRoB7eJYcDM+eoWOpu+xXBnlcoXl3ftBq3zaM=' 
WHERE 
  key_id = '8294d31f5b34681b41a3de5cc9941e775e259181342926e4341d5797b964c0cd' 
  AND (
    token = 't7pFZEGRoB7eJYcDM+eoWOpu+xXBnlcoXl3ftBq3zaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )