SELECT * 
FROM   solrgwpcaccount 
WHERE  updatetimeaccount >(select CASE 
              WHEN CONVERT(DATETIME,'2019-09-10 02:22:45') > CONVERT(DATETIME,'2019-09-10 22:39:30') THEN CONVERT(DATETIME,'2019-09-10 02:22:45') 
              ELSE CONVERT(DATETIME,'2019-09-10 22:39:30') END AS Result)