UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6NHthz5oTb8egjwjoRch5ssHGXGRqHWIQUwDjICGiU=' 
WHERE 
  key_id = '31f4b2889c53c39d55da1d35cb43958d112dcde8c4041117f01ff887eb656d6a' 
  AND (
    token = 'N6NHthz5oTb8egjwjoRch5ssHGXGRqHWIQUwDjICGiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )