UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xoZW6TAVDwxIMklLy1NP05RcraelI+SWG0a0oNoPepw=' 
WHERE 
  key_id = '71757b25cc8efa07ddefb1926c4e6a9c5c33042c2967a1ec5f3ea1ff0f8c81cc' 
  AND (
    token = 'xoZW6TAVDwxIMklLy1NP05RcraelI+SWG0a0oNoPepw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )