UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6QCehn+sHbBVLNykWZLeZz9DD74LGYKaXah/qGikmo=' 
WHERE 
  key_id = 'a796db85b400949c768affdeae9d67f75c8faac4274d598f7976d8b82e320a66' 
  AND (
    token = 'a6QCehn+sHbBVLNykWZLeZz9DD74LGYKaXah/qGikmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )