title: Increase ReCaptcha expiration time?
body: <p>How to increase the google ReCaptcha expiration time? I have tried below one,</p>
  
  <pre><code>  &lt;script&gt;
     var callback = function() {
        grecaptcha.render('id-of-render-element', {
           'sitekey': 'your-site-key',
           'expired-callback': expCallback
         });
     };
     var expCallback = function() {
        grecaptcha.reset();
     };
  &lt;/script&gt;
      &lt;div id="id-of-render-element"&gt;&lt;/div&gt;
  &lt;script src="https://www.google.com/recaptcha/api.js?onload=callback&amp;render=explicit" async defer&gt;&lt;/script&gt;
  </code></pre>
  
  <p>But it is not working.</p>