UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUSGMqyA8bRmRQ89vPaSP8ZFTkW7G9ZHz2mWfRDvm/s=' 
WHERE 
  key_id = '40cd8a02c58781b234b129715d6d979051ff91c8a54042eaa9af0f8b7ddc3066' 
  AND (
    token = 'KUSGMqyA8bRmRQ89vPaSP8ZFTkW7G9ZHz2mWfRDvm/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )