Meta Query deptId and officeId

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'deptId',
		'value'   => '49',
		'compare' => '=',
	),
	array(
		'key'     => 'isEmpProfilePublic',
		'value'   => '1',
		'compare' => '=',
	),
	array(
		'key'     => 'office_id',
		'value'   => '$location_id',
		'compare' => '=',
	),
);