UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HkpgMHTCB3pwf4Xq3VsdHmbjLsySzhfDN2wi4DMzFfQ=' 
WHERE 
  key_id = '2f6dc0aab983290d23f43e4ef87a6a69717e7d141abb97c90f49113cc748f73b' 
  AND (
    token = 'HkpgMHTCB3pwf4Xq3VsdHmbjLsySzhfDN2wi4DMzFfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )