UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TknAHUVDIiVF9jQXrYBuH39Hp4IW7B2VM2NoBNuf5kk=' 
WHERE 
  key_id = 'a4df02ab4d9b26f4190c05587f3d94c17055a27e786fc98dfc194e77c14050ca' 
  AND (
    token = 'TknAHUVDIiVF9jQXrYBuH39Hp4IW7B2VM2NoBNuf5kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )