What is the correct way to use the at command in Linux?

Question

linux

Hello. I'm trying to add a task using I at
need to run the phpfile.
curl http://site.com/file.php | at now + 1 minute
or
curl http://site.com/file.php | at **:**(instead of asterisks time)

The file is launched immediately after the command is entered, if you check the list of tasks atq, then the task is still in the list. When the run time comes, the file is not run.

Answer 1

есно "curl http://site.com/file.php" | at **:**