UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RfPQMZM0N7VsKcVmHrU6umJ7tHCn+HU5x+8EDF6dKhs=' 
WHERE 
  key_id = '15505a69532b31c7a49404bf8654bfe0bd90fdf8c84a844788b70b2df93e4a53' 
  AND (
    token = 'RfPQMZM0N7VsKcVmHrU6umJ7tHCn+HU5x+8EDF6dKhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )