UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FyIQe3A52W5hMa7jP01wuIsVWvJsKfNe+ltdzvSRNw=' 
WHERE 
  key_id = '2856da6b41b770de24331a2f8bf52b99eb320906e58ce871ad51f63066d680f8' 
  AND (
    token = '6FyIQe3A52W5hMa7jP01wuIsVWvJsKfNe+ltdzvSRNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )