UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '19AkJtNSoL8zxQOecv3W5uqUi2m4RPA/tdN5sOi/d4Q=' 
WHERE 
  key_id = '171e264b6494b9cb88e971f73959a29c6587f651e761d1871a7b701083c3852a' 
  AND (
    token = '19AkJtNSoL8zxQOecv3W5uqUi2m4RPA/tdN5sOi/d4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )