UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V271ydsIUFPX/HgbN5xMuyBZmM/RovJyogflJOE2wGc=' 
WHERE 
  key_id = 'a8c3506e336bbb511e6d262fcedc656241278f97a03e599e2b5d156b3b649b4a' 
  AND (
    token = 'V271ydsIUFPX/HgbN5xMuyBZmM/RovJyogflJOE2wGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )