UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ujy0fSgbw6wILCuw+da+ZNU0MlGEFUKUW8xJ7OmLGbc=' 
WHERE 
  key_id = '27ba61fd6d16bfa2056ed1645eb0a034d698df744054021114ddcd8e0dd958db' 
  AND (
    token = 'ujy0fSgbw6wILCuw+da+ZNU0MlGEFUKUW8xJ7OmLGbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )