mysql----------原生的sql裏面如何根據case then排序

一、按照三個字段都符合條件來排序

ORDER BY
(
    CASE
    WHEN is_top = 1
    AND top_end_time>UNIX_TIMESTAMP()
    AND top_start_time<UNIX_TIMESTAMP() then
        1
    ELSE
        2
    END
),
sorts DESC,ct desc