UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6z5oCLyAweAau8O2kHNVmJLg2kdmyK36j6l6Nf58HB8=' 
WHERE 
  key_id = '363b56e84597c3e02a92f8314970a05826835fe613c9d0d20566aedd65d27176' 
  AND (
    token = '6z5oCLyAweAau8O2kHNVmJLg2kdmyK36j6l6Nf58HB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )