UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N0wVajNnrB2VXFvRcczPtgWamVpHC3soaFTUTe+Cy1s=' 
WHERE 
  key_id = '0c6e9bce234a06143d994b13b92774f8c075f57acdb49e8c6e04f21b723e7252' 
  AND (
    token = 'N0wVajNnrB2VXFvRcczPtgWamVpHC3soaFTUTe+Cy1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )