如何在laravel 5.8中正确添加绑定

I want to complete one big query from different methods (private method one + private method two .. = public method which merges all of the other) in Laravel. Problem is I do not know how to handle Laravel bindings in query builder because there is no documentation for these functions.

I have tried using Laravel DB::query() methods addBinding, setBindings. I have found out that my code works fine when I'm using function setBindings all at one time but that is not what I want.

namespace Repository;

use Illuminate\Support\Facades\DB;
use \DateTime;

class QueryBuilder {

    /**
     * @param DateTime $date
     *
     * @return \Illuminate\Database\Query\Builder
     */
    public function ExtendedBasicQueryBuilder(DateTime $date)
    {
        $parameters = [
            'minDate:' => $date->format('Y-m-d H:m:s'),
        ];

        $query =
            $this->basicQueryBuilder()
                 ->where('date', '<', ':minDate')
                 ->addBinding($parameters)
        ;

        return $query;
    }

    /**
     * @return \Illuminate\Database\Query\Builder
     */
    private function basicQueryBuilder()
    {
        $parameters = [
            ':stateActive' => 1,
        ];

        $query =
            DB::query()
                ->select('id')
                ->from('items')
                ->where('state', '=', ':stateActive')
                ->addBinding($parameters)
        ;

        return $query;
    }
}

And the result query will be

string(70) "select `id` from `items` where `state` = ':stateActive' and `date` < 1"

How to bind all of them properly?