MySQL Tutorial/Date Time Functions/MINUTE
MINUTE(time) returns the minute for time, in the range 0 to 59.
mysql>
mysql> SELECT MINUTE("98-02-03 10:05:03");
+-----------------------------+
| MINUTE("98-02-03 10:05:03") |
+-----------------------------+
| 5 |
+-----------------------------+
1 row in set (0.00 sec)
mysql>