UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrChdTD96OtCkKvLULfc9mZOIiTV2O89BD3bGI+P7kA=' 
WHERE 
  key_id = '8b03e9a56bb54dc31fcb3f1fab7388168ead74c7eb15ce396eb999e683981596' 
  AND (
    token = 'MrChdTD96OtCkKvLULfc9mZOIiTV2O89BD3bGI+P7kA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )