UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3Bi1CCAvf+oMTUUhVWyI4CEPPnxsvtQ9cUiPJxBr84=' 
WHERE 
  key_id = '4e4d491ef7909e9290caa477de67d2e1c740f109a1b1b501879133e9c33fea2b' 
  AND (
    token = 'Z3Bi1CCAvf+oMTUUhVWyI4CEPPnxsvtQ9cUiPJxBr84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )