authentikate/app/Models/AuthenticationToken.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class AuthenticationToken extends Model
{
    protected $guarded = ['id'];

    protected function casts(): array
    {
        return [
            'issued_at' => 'datetime',
            'expires_at' => 'datetime',
        ];
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function application(): BelongsTo
    {
        return $this->belongsTo(Application::class);
    }
}