UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nwzos4TtNKvjToD9KHtrIC/U0GzPTG8yCccq8dTniuU=' 
WHERE 
  key_id = '6b2e4a39f87921efe46cf240a2f453e50e57239640b4be1432af1eb2e05926d8' 
  AND (
    token = 'Nwzos4TtNKvjToD9KHtrIC/U0GzPTG8yCccq8dTniuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )