UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TZt9Li+uiH+dLdWg7Qyh5RWVRrnk5gMR/89AdpBaS8=' 
WHERE 
  key_id = '3845f93cfef376324cc909154e789f7bb6cb5a4fb3c24da622e2c0d1c2d98604' 
  AND (
    token = '6TZt9Li+uiH+dLdWg7Qyh5RWVRrnk5gMR/89AdpBaS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )