use 5.012;
use strict;
use warnings;

use SQL::Abstract;

my $sql = SQL::Abstract->new;

my $table ='atable';
my %data = (a=>q/NULL/,b=>1,c=>q/'string and string'/);

my $stmt_and_val = $sql->generate('INSERT INTO', \$table, \%data);

say $stmt_and_val;