Description: Returns the number of seconds since 1 January 1970 at 00:00:00 GMT, of date (a DATE or DATETIME type). If date is omitted, the current date and time are used.
Examples:
UNIX_TIMESTAMP('2002-01-05') returns 1010188800.
UNIX_TIMESTAMP() returns 1019582548.
See also: NOW(), FROM_UNIXTIME()
18.119.160.181