UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6AF0GmG3EMArhA2QIfmBCZKnAZkSXjpxbD14vo6WZU=' 
WHERE 
  key_id = '0450dfd785f22b8b245221e49fd1e66e3647775bcdf043a49523f07eb8f5227b' 
  AND (
    token = 'a6AF0GmG3EMArhA2QIfmBCZKnAZkSXjpxbD14vo6WZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )