prefix_custom_pre_get_posts_query

functions.php

function prefix_custom_pre_get_posts_query( $q ) {

if( is_shop() || is_page('awards') ) { // set conditions here

$tax_query = (array) $q->get( 'tax_query' );

$tax_query[] = array(
'taxonomy' => 'product_cat',
'field' => 'slug',
'operator' => 'NOT IN'
);

$q->set( 'tax_query', $tax_query );
}
}

add_action( 'woocommerce_product_query', 'prefix_custom_pre_get_posts_query' );