mysql UNIX FROM_UNIXTIME UNIX_TIMESTAMP

mysql> SELECT FROM_UNIXTIME( 1249488000);
+----------------------------+
| FROM_UNIXTIME( 1249488000) |
+----------------------------+
| 2009-08-06 00:00:00        |
+----------------------------+
1 row in set (0.00 sec)

mysql> select UNIX_TIMESTAMP();
+------------------+
| UNIX_TIMESTAMP() |
+------------------+
|       1416881032 |
+------------------+
1 row in set (0.00 sec)