UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vhf/49aO9Etnnb96flEIMHt2DOtSQz9EEe+E0lhrmfc=' 
WHERE 
  key_id = 'a398381e2c95f23b434cef675ec20940c9558ad9ee8488197cb419a5702c792c' 
  AND (
    token = 'Vhf/49aO9Etnnb96flEIMHt2DOtSQz9EEe+E0lhrmfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )