UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yTQz0xtctVNnBZwjPCuMqx6T6SRVrnBU67PeOTHA7Wk=' 
WHERE 
  key_id = '47971afca856e66ddd3b69603b6548bb5a99444d1afc1143851076c7c0274834' 
  AND (
    token = 'yTQz0xtctVNnBZwjPCuMqx6T6SRVrnBU67PeOTHA7Wk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )