UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WTV9T+2IJ+u5P2P9S68Ud5C7U8dZGZrvtofORlIjGTw=' 
WHERE 
  key_id = '51f5f9f1cf27e2d21f60f5dad3997039169023909a76cd5162127a129a36e903' 
  AND (
    token = 'WTV9T+2IJ+u5P2P9S68Ud5C7U8dZGZrvtofORlIjGTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )