(let [keys (get {:my-ns/keys [1 2 3]} (keyword "my-ns" "keys"))]
    keys)
  (let [keys ((keyword "my-ns" "keys") {:my-ns/keys [1 2 3]})]
    keys)

  (let [{title (keyword "my-ns" "title")
         name (keyword "my-ns" "name")
         etc (keyword "my-ns" "etc")} {:my-ns/title "title"}]
    [title name etc])

(let [m #:my-ns{:title "title" :name "name" :etc "etc"}
        my-ns "my-ns"
        kws [:title :name :etc]
        [title name etc] ((apply juxt (map #(keyword my-ns (name %)) kws)) m)]
    [title name etc])
=> ["title" "name" "etc"]

(let [m {:my-ns1/title "title" :name "name" :etc "etc"}
        m (clojure.set/rename-keys m {:my-ns1/title :title
                                      :my-ns2/title :title})
        {:keys [title name etc]} m]
    [title name etc])
=> ["title" "name" "etc"]