global $wpdb;

$wpdb->insert(
    $wpdb->prefix.'wcfm_store_categories',
    array(
        'is_active'   => $is_active,
        'icon'        => $icon,
        'name'        => $name,
        'description' => $description
    ),
    array(
        '%d',
        '%s',
        '%s',
        '%s'
    )
);