UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkH+v3rEwU7Z8va9VlficmuBvxPTw0WEBLl449/faa4=' 
WHERE 
  key_id = '8ac7a03166e0af927cd774f4afa294017f951ae47564be7c089a1cf23407bd03' 
  AND (
    token = 'mkH+v3rEwU7Z8va9VlficmuBvxPTw0WEBLl449/faa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )