Mega Code Archive
Select DATE_SUB(curdate(), INTERVAL 1 1 HOUR_MINUTE); (with dot)
mysql>
mysql> select DATE_SUB(curdate(), INTERVAL 1.1 HOUR_MINUTE);
+-----------------------------------------------+
| DATE_SUB(curdate(), INTERVAL 1.1 HOUR_MINUTE) |
+-----------------------------------------------+
| 2007-07-21 22:59:00 |
+-----------------------------------------------+
1 row in set (0.00 sec)