UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMybywtRcPOawsE4yxnmyD6Kj6Xdo4aBN4dU1wHE/n0=' 
WHERE 
  key_id = 'dcdcaa1b0f42f81e23e193a2c31e0b6339a57a1802a9b93e4c32d2017688d854' 
  AND (
    token = 'RMybywtRcPOawsE4yxnmyD6Kj6Xdo4aBN4dU1wHE/n0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )