UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SfO2TswYMbgwbkFV35+3QCHeCznbg6Wklcn3ZTp3HUo=' 
WHERE 
  key_id = 'b9b3dd859f28c718f102ed29f900320a773e318e2027d5b42e930f03e6ae6476' 
  AND (
    token = 'SfO2TswYMbgwbkFV35+3QCHeCznbg6Wklcn3ZTp3HUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )