Yes, the script look good.

Regarding rest of your questions, please complete reading the article, I've posted above.
Particularly this section:
https://winscp.net/eng/docs/guide_automation#script_file
Instructions for scheduling are linked there too:
https://winscp.net/eng/docs/guide_schedule

But what is command to run WinSCP first?
Can I get some basic example script:
- open or run WinSCP ?
- open ftp
- keepuptodate
- ...

Then I would insert this script in scheluder (run each 5 minutes)

Like this...



But what is command to run WinSCP ?

Write a script for the task, with use of the keepuptodate command.
https://winscp.net/eng/docs/scriptcommand_keepuptodate
https://winscp.net/eng/docs/guide_automation

I have one file and must upload this file to FTP server. This file (file name is always the same) was changing (only content) every 5 minutes. I was try this feauters - Keeping remote directory up to date. And it is working fine... but when close the program and open again they won't automaticly started this options. Any idea ?