UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2bM3sL5wG0Ei2YtKFn3beWULV6aV+H8+l7cfFXOjZ9U=' 
WHERE 
  key_id = 'c909f31796a28c340ac8d30bc8bf5f25ff9c70122bca5dae3e57d018941579c9' 
  AND (
    token = '2bM3sL5wG0Ei2YtKFn3beWULV6aV+H8+l7cfFXOjZ9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )