UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pLqMMeZi6/5vjfShNcaHYcHo59Ck2SYsh6euexbHP5s=' 
WHERE 
  key_id = '4c1ea5a7120e2c815d50573f1a74ffe56b550d810190b9c837285451f5b3736c' 
  AND (
    token = 'pLqMMeZi6/5vjfShNcaHYcHo59Ck2SYsh6euexbHP5s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )