set sql_log_bin=0;
set autocommit=0;

use kamailio;

ALTER TABLE location CHANGE expires expires_old datetime;
ALTER TABLE location CHANGE last_modified last_modified_old datetime;
ALTER TABLE location ADD expires BIGINT NOT NULL DEFAULT 2000000000;
ALTER TABLE location ADD last_modified BIGINT NOT NULL DEFAULT 1;
UPDATE location SET expires=UNIX_TIMESTAMP(expires_old);
UPDATE location SET last_modified=UNIX_TIMESTAMP(last_modified_old);
ALTER TABLE location DROP expires_old;
ALTER TABLE location DROP last_modified_old;

commit;
