Laravel Passport : Users only have one token not many

Laravel Passport has a very complex system for my app cause I think for this simple app it's very complex to have OAuth client's Id, Secret & ... So I create a UserController myself to solve this complexity with these codes:

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;

use Illuminate\Support\Facades\Auth;
use App\User;
use Response;

class UserController extends Controller
{
    //
    public function __construct(){
        $this->content = array();
    }
     public function login(){
        if(Auth::attempt(['email' => request('email'), 'password' => request('password')])){
        $user = Auth::user();
        $this->content['token'] =  $user->createToken('URL APP')->accessToken;
        $status = 200;
    }
    else{
        $this->content['error'] = "Unauthorised";
         $status = 401;
    }
     return response()->json($this->content, $status);    
    }
} 

but problem is every time user sign in get new tokens & old tokens won't expire & User with old tokens can send valid request (Its should be invalid I think).
Is there any way to config passport to users has one token or I should do it myself?

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