my $query = "SELECT timestampColumn FROM mytable LIMIT 1";

my $sth = $dbh->prepare($query);

$sth->execute();

while (my $row = $sth->fetchrow_arrayref()) {
    my $TS = $row->[0];
    print "$TS ",   $TS + 1, " ",  $TS + 10, "\n";
}

__END__
20030524183051 20030524183052 20030524183061