UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6U2S6ba5opTP5AFo3Nn0LtyIV8W0hqwwrBvjFI9z2eI=' 
WHERE 
  key_id = '6b512e5ea07f2e4bf7872f21c57e330250587878f5540ecd7a4bc2662ae447d5' 
  AND (
    token = '6U2S6ba5opTP5AFo3Nn0LtyIV8W0hqwwrBvjFI9z2eI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )