UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OKyj37HVfvybrujTJbYFdbAZ9WsLoLOuBjWxBP+cWck=' 
WHERE 
  key_id = '80eca42f772e858e82210f5461fea72b6dff999de500b017d78cabf463c5e736' 
  AND (
    token = 'OKyj37HVfvybrujTJbYFdbAZ9WsLoLOuBjWxBP+cWck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )