TEst

$meta_query = array(
	'relation' => 'OR',
	array(
		'key'     => 'complete',
		'value'   => 'true',
		'compare' => '!=',
	),
	array(
		'key'     => 'api',
		'value'   => 'mobile.de',
		'compare' => '!=',
	),
);