title: How to add expiry date condition to login function in laravel 5.2
body: <p>In laravel 5.2, i want to add the condition so that only users where their expiry date is greater than today's date to login.</p>
  
  <pre><code>protected function getCredentials(Request $request)
  {
  
  return ['email' =&gt; $request-&gt;{$this-&gt;loginUsername()}, 'password' =&gt; $request-&gt;password];
  
  }
  </code></pre>
  
  <p>The code does not accept adding:
      'expires' => gte(Carbon::now())</p>
  
  <p>Any help is appreciated</p>