{
    "1": {
        "method": "update",
        "params": [
            "gallery_categories",
            {
                "category_sort_options": "album_last_img_date"
            },
            [
                "category_sort_options IS NULL"
            ]
        ]
    },
    "2": {
        "method": "update",
        "params": [
            "gallery_categories",
            {
                "category_sort_options_img": "updated"
            },
            [
                "category_sort_options_img IS NULL"
            ]
        ]
    }
}