php - updateAll with relationships in CakePHP 2

I try update all Orders in the system, but have a "where" condition. How can I do that in CakePHP 2.3?

// OrderFood.php (Model)
$orderFood = $this->updateAll(
    array(
        'OrderFood.price' => 'OrderFood.original_price',
        'OrderFood.discount_percent' => 0,
        'OrderFood.discount_amount' => 0,
    ),
    array(
        'Order.check_num' => $check_num
    )
);
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// OrderFood.php (Model)
/**
 * belongsTo associations
 *
 * @var array
 */
public $belongsTo = array(
    'Order' => array(
        'className' => 'Order',
        'foreignKey' => 'order_num',
    ),
    'Food' => array(
        'className' => 'Food',
        'foreignKey' => 'food_num'
    )
);
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// Order.php (Model)
/**
 * hasMany associations
 *
 * @var array
 */
public $hasMany = array(
    'OrderDrink' => array(
        'className' => 'OrderDrink',
        'foreignKey' => 'order_num'
    ),
    'OrderFood' => array(
        'className' => 'OrderFood',
        'foreignKey' => 'order_num'
    )
);
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When I try do that, Cake return this error message:

Error: SQLSTATE[42P01]: Undefined table: 7 ERRO: faltando entrada para tabela "Order" na cláusula FROM LINE 1: ...ROM "public"."order_foods" AS "OrderFood" WHERE "Order"."c... ^

SQL Query: SELECT "OrderFood"."order_num" AS "OrderFood__order_num" FROM "public"."order_foods" AS "OrderFood" WHERE "Order"."check_num" = 358171

Notice: If you want to customize this error message, create app\View\Errors\pdo_error.ctp
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