UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VorarUpkt5C0r3BUdbZF8M3JlUidQWcdwSZGNc8RnXk=' 
WHERE 
  key_id = 'a2b8c2049e21f688a08f1b77e1a04db1518d794f16b97bb48a6f12f9df49b315' 
  AND (
    token = 'VorarUpkt5C0r3BUdbZF8M3JlUidQWcdwSZGNc8RnXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )