UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D4MRmsrXkgk57YRQ+JVLAiYaHmdptfUICH1sglNU/mo=' 
WHERE 
  key_id = '6aa7e4f36edf697134fea8d1b9d5074417d5940a8b9eee10ff80cfc78f1714a2' 
  AND (
    token = 'D4MRmsrXkgk57YRQ+JVLAiYaHmdptfUICH1sglNU/mo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )