UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FKearufqG58T7D6gfdshYmLkUdftKcw2Qm/zhe7qHBU=' 
WHERE 
  key_id = 'ba9d42eda8b1c6bfd42766795f25bc12b247ac9c9cc8407050ba984381042e6a' 
  AND (
    token = 'FKearufqG58T7D6gfdshYmLkUdftKcw2Qm/zhe7qHBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )