UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYQBW7TP/buZnkRzYf9PSnDCRgUZuKcKwSAzeTlXELQ=' 
WHERE 
  key_id = '7b8b200b9069ce3640a784fbf152c7da08b4bc95e9a84465126332a04f7b6af4' 
  AND (
    token = 'MYQBW7TP/buZnkRzYf9PSnDCRgUZuKcKwSAzeTlXELQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )