# Pastebin uVZiQ0Da
model Reputation is table<reputation> is rw is export {
    has Int $.guild-id          is column{ :id, :type<bigint> }
    has Int $.user-id           is column{ :id, :type<bigint> }
    has Int $.reputation        is column;
    has DateTime $.last-updated is column{ :type<timestamptz> } = DateTime.now;
    method !update-time($_) is before-update { .last-updated = DateTime.now }
}

red-defaults "Pg";

my $*RED-DEBUG = True;
my $guild      = 240882564770955274;
my $reputee-id = 240882564770955275;

.elems ?? .map(*.reputation++).save !! .create: :1reputation with Reputation.^all.grep({ .guild-id == $guild && .user-id == $reputee-id });