Querying multiple meta_keys in WordPress SQL query

WordPress Provides a native functions to query these kind of things very easily like WP_User_Query

$args = array(
    'meta_query' => array(
        'relation' => 'AND',
        array(
            'key'     => $meta_key1,
            'value'   => $search1,
            'compare' => 'LIKE'
        ),
        array(
            'key'     => $meta_key2,
            'value'   => $search2,
            'compare' => '='
        )
    )
 );
$user_query = new WP_User_Query( $args );