functions.php

<?php
	$args = array(
		'posts_per_page' => -1,
		'category_name' => 'complete',
		'order' => 'ASC',
		'meta_query' => array(
			'relation' => 'AND',
			array(
				'key' => '_crm_portfolio_include',
				'compare' => 'NOT EXISTS',
			),
			array(
				'key' => '_crm_portfolio_exclude',
				'compare' => 'NOT EXISTS',
			)
		)
	);

	$loop = new WP_Query( $args );