UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'byG35fnbkv0TXckGUQErsD3/mT1rs54nfTlNE9E7M/Q=' 
WHERE 
  key_id = '72b8e8edcc8524cac8dd41ca7925c4cf5f350e481c6ee6d680261c1112f5b28f' 
  AND (
    token = 'byG35fnbkv0TXckGUQErsD3/mT1rs54nfTlNE9E7M/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )