UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6Gj8elQ1smAl6TgqxQbmv+sXb0Upz3NvwKPZbxoVCg=' 
WHERE 
  key_id = 'c2cda80fd1bdd2268292af85bd20571999e65aa4907113c81a84c96d850bdc23' 
  AND (
    token = 'a6Gj8elQ1smAl6TgqxQbmv+sXb0Upz3NvwKPZbxoVCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )