create table client_origins (
  key text primary key not null,
  created_at timestamptz not null default now()
);

insert into client_origins (key) values ('shopr_website');
insert into client_origins (key) values ('shopr_mobile_web');
insert into client_origins (key) values ('shopr_iphone');
insert into client_origins (key) values ('shopr_ipad');
insert into client_origins (key) values ('shopr_android');