UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7KqDWvdQYE5agImwv+wj8jfUFP40FaacTnBikiAwOX8=' 
WHERE 
  key_id = '65694e2f51867fb71bda65198183393e676a5ca5291944d33149bb4f017fba0b' 
  AND (
    token = '7KqDWvdQYE5agImwv+wj8jfUFP40FaacTnBikiAwOX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )