UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1b5gO09YzfcjOfRDZfSoxCmDKFku8ZXCF754Ri6ppSk=' 
WHERE 
  key_id = 'a259de5b30a21d2170cb7d91c789a71a470140a086bf04aa66a03b2193fc4f50' 
  AND (
    token = '1b5gO09YzfcjOfRDZfSoxCmDKFku8ZXCF754Ri6ppSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )