UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nu1cjpLD8mgpJKZfNy8UZH/pTMtphvkNKmPNMvVLiiE=' 
WHERE 
  key_id = '42df76b0d1e1abaf3c71952807363147c60598b4fbb30a80553f1abee5c7e3dc' 
  AND (
    token = 'Nu1cjpLD8mgpJKZfNy8UZH/pTMtphvkNKmPNMvVLiiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )