LOCALTIMESTAMP is the synonym for NOW() : LOCALTIMESTAMP « Date Time Functions « MySQL Tutorial

1. MySQL Tutorial
2. Date Time Functions
3. LOCALTIMESTAMP

mysql>
mysql> select LOCALTIMESTAMP();
+---------------------+
| LOCALTIMESTAMP()    |
+---------------------+
| 2007-07-22 19:46:12 |
+---------------------+
1 row in set (0.00 sec)