UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'evLkK+ScFzBj0VIWuO8XU82bUCJqV8wO7HH3YUmGO/E=' 
WHERE 
  key_id = '91ec21c01fbabd319a54ddaefc5f7b9297d5a89f1fe4b183d123e2435c4b4802' 
  AND (
    token = 'evLkK+ScFzBj0VIWuO8XU82bUCJqV8wO7HH3YUmGO/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )