UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMr1rMXbadeE4NJmyJw9pVJrbNZhLzYZ74C39XnAglU=' 
WHERE 
  key_id = 'd5b5c50b2ff5c73bd4f4209d019edff45f045e46f552a39bc7b7441eb5461217' 
  AND (
    token = 'RMr1rMXbadeE4NJmyJw9pVJrbNZhLzYZ74C39XnAglU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )