title: How to only use created_at in Laravel
body: <p>I want only use created_at , how to do it?</p>
  
  <p>I know:</p>
  
  <p>This can custom timestamps name</p>
  
  <pre><code>const CREATED_AT = 'created';
  const UPDATED_AT = 'updated';
  </code></pre>
  
  <p>This can disable timestamps</p>
  
  <pre><code>public $timestamps = false;
  </code></pre>