UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CMU3jcwRRFnTwp74LUVEyjWH5ZhmUeneXxvELCjWllY=' 
WHERE 
  key_id = 'aee9768fa396b72e7db33339ef02903378b275cb075e2a6332975fd359662d26' 
  AND (
    token = 'CMU3jcwRRFnTwp74LUVEyjWH5ZhmUeneXxvELCjWllY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )