UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tPMdkP2tMKV0BXaXd6lK0MlRAtDbe///e/iGTqVt40o=' 
WHERE 
  key_id = '7a4d6fa8de9b3a0d91dbfec7b5b83d591a8f8f12d9841a5db86866876b462e98' 
  AND (
    token = 'tPMdkP2tMKV0BXaXd6lK0MlRAtDbe///e/iGTqVt40o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )