UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DzjAmlbbWl1BZ6ThGSZVt6aYevx+u1fLIxzAaUSjeNs=' 
WHERE 
  key_id = '6b1c228b1ada16ba8881bb26e541fdf3da0b4bca216d263890369cde4a472c6b' 
  AND (
    token = 'DzjAmlbbWl1BZ6ThGSZVt6aYevx+u1fLIxzAaUSjeNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )