$_->{value} =~ /[A-Z\(\)]*/ixms

    my $sql_formed_values =
        join ',',
        map {
            if($_->{value} =~ /`[\w]*`\s*[\+|-]\s*[\d]+/xms ||   # sql algebra
              $_->{value} =~ /[A-Z\]*/xms) {                  #sql command
                qq{`$_->{name}` = $_->{value}}
            }
            else {
                qq{`$_->{name}` = '$_->{value}'}
            }
        } @value_array;

{
     name=>'foo',
     value=>'bar',
}

# name    => value
timestamp => 'NOW()',
filename  => '1:cat.js#1',
hash      => '7a3aa47569e0a5dc78b9bcbc29ad08dc650eb7ed',

`hash` = 7a3aa47569e0a5dc78b9bcbc29ad08dc650eb7ed,`timestamp` = NOW(),`filename` = 1:cat.js#1

^[A-Z]*[()]*$

$_->{value} =~ /^[A-Z]*[()]*$/xms