UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nu43Dx6BhypbsEObwjzuWdNGv2dKAqEwK0WupiiHOUA=' 
WHERE 
  key_id = 'de1f4803e3273daff36866f10b0c561be21dee8f956324196a76a515571ec117' 
  AND (
    token = 'nu43Dx6BhypbsEObwjzuWdNGv2dKAqEwK0WupiiHOUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )