Query Builder Eloquent Where clause for TimeStamp - Laravel 5.1

I have a table and search bar.

When user input in the search that when I grab that and query my database.

This is what I got

public function getLogsFromDb($q = null) {

    if (Input::get('q') != '') {
        $q = Input::get('q');
    }
    $perPage = 25;

    if ($q != '') {

        $logs = DB::table('fortinet_logs')
            ->orWhere('account_id', 'like', '%'.$q.'%')
            ->orWhere('cpe_mac', 'like', '%'.$q.'%')
            ->orWhere('p_hns_id', 'like', '%'.$q.'%')
            ->orWhere('g_hns_id', 'like', '%'.$q.'%')
            ->orWhere('data', 'like', '%'.$q.'%')
            ->orWhere('created_at', 'like', '%'.$q.'%') <----🐞
            ->orderBy('updated_at', 'desc')->paginate($perPage) 
            ->setPath('');


            //dd($logs);

        $logs->appends(['q' => $q]);

    } else {

        $logs = DB::table('fortinet_logs')
            ->orderBy('created_at', 'desc')->paginate($perPage)
            ->setPath('');
    }

    return view('telenet.views.wizard.logTable', get_defined_vars());

}

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Result

In the network tab, I kept getting

Undefined function: 7 ERROR: operator does not exist: timestamp without time zone ~~ unknown

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Questions

How would one go about and debug this further ?

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I'm open to any suggestions at this moment.

Any hints/suggestions / helps on this be will be much appreciated!

via Chebli Mohamed