UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nU4IXefHqwk99XvrxEO/ur+Viyo8EW9ziv2wTSBLEpY=' 
WHERE 
  key_id = '975c674f50ec486f4d387eeca498bbaaa39b4939e94f9b9c4c25085fcf0dad9f' 
  AND (
    token = 'nU4IXefHqwk99XvrxEO/ur+Viyo8EW9ziv2wTSBLEpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )