UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3kez4yrfPHIBzGjWs3fn7K+NuOyHLbD8FI29FXZVts0=' 
WHERE 
  key_id = '66853fe30f8fdc3ec9d30a1ee27061b331d128409157137783b342bfbea51789' 
  AND (
    token = '3kez4yrfPHIBzGjWs3fn7K+NuOyHLbD8FI29FXZVts0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )