Session lifetime timeout and csrf token mismatch

In app/Exceptions/Handler.php replace this:

public function render($request, Exception $e)
{
    if ($e instanceof \Illuminate\Session\TokenMismatchException) {
        return redirect()->back()->withInput()->with('token', csrf_token());
    }

    return parent::render($request, $e);
}

<div>
    <script>
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            setInterval(function(){ window.livewire.emit('alive'); }, 1800000);
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</div>