UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UIujzeU89B5ivh+UwSdyANyuq1K8AzBGjA3SkgZX4XI=' 
WHERE 
  key_id = '37f873af7086494150b49a4e24fafb921ff74a347ebc114ead80b5b1e531b8c9' 
  AND (
    token = 'UIujzeU89B5ivh+UwSdyANyuq1K8AzBGjA3SkgZX4XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )