UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0VgZ8648BPuvDNa1qRN+2ea/djA5ZohYOzkAozjtChU=' 
WHERE 
  key_id = '474f07ddadcd4c7dad3306a3a498f51435c24a5ba9a2fe426501319f464dfac3' 
  AND (
    token = '0VgZ8648BPuvDNa1qRN+2ea/djA5ZohYOzkAozjtChU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )