UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XVCnX6TxMIUXGYF2sWVlbkcDfcl5WZa8Eaxt40sKRBI=' 
WHERE 
  key_id = 'c881ec75797b58cc7d9ad00269b2dc88154f8257ebf69bb4ae8f4d9bfacb2d1b' 
  AND (
    token = 'XVCnX6TxMIUXGYF2sWVlbkcDfcl5WZa8Eaxt40sKRBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )