UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pi4hFg395KSA6xSn//0VHytnkMcpqlRwn2jvvWIF0lo=' 
WHERE 
  key_id = 'fe433d9247ce720697bb67595b4bea32bf994ef8887afd11f607d67c1c30d688' 
  AND (
    token = 'Pi4hFg395KSA6xSn//0VHytnkMcpqlRwn2jvvWIF0lo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )