UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8Uigjyyh8w1vzAi6pLbssLbNfDaglOb3rVTGzpoSDk=' 
WHERE 
  key_id = 'b0391f675979c1fc03dc9849716f587fd3ad298f3e2631840ba1a768ce19a7b5' 
  AND (
    token = 'b8Uigjyyh8w1vzAi6pLbssLbNfDaglOb3rVTGzpoSDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )