UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ac+DBi3eQNOkuFEqvmsrOaFZG1OHGVh6iqDu+COVjw=' 
WHERE 
  key_id = '6621924fd31d354c86ab7b35625b8b708c6c339daacbfd0f622fb4d847e7c135' 
  AND (
    token = '+ac+DBi3eQNOkuFEqvmsrOaFZG1OHGVh6iqDu+COVjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )