MariaDB [(none)]> SHOW GLOBAL VARIABLES LIKE 'event_scheduler';

+-----------------+-------+

| Variable_name   | Value |

+-----------------+-------+

| event_scheduler | OFF   |

+-----------------+-------+

1 row in set (0.00 sec)

MariaDB [(none)]> CREATE EVENT db1.myevent

    ->     ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR

    ->     DO SELECT NOW();

Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> SHOW WARNINGS;

Empty set (0.00 sec)