Showing current date and time in YYYY-MM-DD HH:SS:MM and YYYYMMDDHHSSMM.uuuuuu format respectively using MySQL:

Current datetime in YYYY-MM-DD HH:SS:MM format	Current datetime before an hour in YYYY-MM-DD HH:SS:MM format
2025-04-15 18:13:54	2025-04-15 17:13:54