UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6Hmf3lC7P1enjQUzE9d7kAKrrcKFqktt0/hAl3RwhU=' 
WHERE 
  key_id = '4851ea2b732fac4b4c853de6850a2b3bed815b8beb9138f512ed0a16c6955f4d' 
  AND (
    token = 'N6Hmf3lC7P1enjQUzE9d7kAKrrcKFqktt0/hAl3RwhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )