UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLjGM8i3Nxs6+iixafHf5ffKWNsrXU89xPbrtPaMlyk=' 
WHERE 
  key_id = '6cbd0f852a1f12e98967d96c20d5ee65e806b6342323271585dfc6363e5438e4' 
  AND (
    token = 'gLjGM8i3Nxs6+iixafHf5ffKWNsrXU89xPbrtPaMlyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )