UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VQ6iUuWza3u/rwRJ7AVUhYXI4hDs6u2hm/mqrbSCZDo=' 
WHERE 
  key_id = 'b81c6896f9bc455369bb38d12adfe74fdacfcb6271caec4645422af50fc65603' 
  AND (
    token = 'VQ6iUuWza3u/rwRJ7AVUhYXI4hDs6u2hm/mqrbSCZDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )