SHOW CREATE USER generates invalid SQL (password expiry/ account lock)

MariaDB [(none)]> show create user 'mariadb.sys'@'localhost';

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

| CREATE USER for mariadb.sys@localhost                              |

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

| CREATE USER `mariadb.sys`@`localhost` PASSWORD EXPIRE ACCOUNT LOCK |

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

1 row in set (0.000 sec)

MariaDB [(none)]> CREATE USER `mariadb.sys`@`localhost` PASSWORD EXPIRE ACCOUNT LOCK;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ACCOUNT LOCK' at line 1