UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xyzWybhHfCfQEvOhxozBcy24+9DNrVOpEEFrPaevRoI=' 
WHERE 
  key_id = '8420a0fc7c962ca7ffff352c2e99058967cea97c87540c2d90d85f8c986ce272' 
  AND (
    token = 'xyzWybhHfCfQEvOhxozBcy24+9DNrVOpEEFrPaevRoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )