UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWfTgVRjCbcOTsuQIrG7abqbkYKxF8a4j9X8NFMmFHc=' 
WHERE 
  key_id = 'a251f21b36cf3b2bca6c78e4c27acf7452a62967849379ca303cc25f0b02e58a' 
  AND (
    token = 'QWfTgVRjCbcOTsuQIrG7abqbkYKxF8a4j9X8NFMmFHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )