UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ovZcoheD1eyy0GfpToBzW6lA5BlbYtGs5zpj9+LM0S0=' 
WHERE 
  key_id = '6c351050e14b90d2256e08fb8c4869d6cf27652ad757d362fa02bab077b0dc41' 
  AND (
    token = 'ovZcoheD1eyy0GfpToBzW6lA5BlbYtGs5zpj9+LM0S0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )