UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Stfyz9F21pXJaC+megAgprtl+bwNRmfLKIoyqSst0So=' 
WHERE 
  key_id = '6e12475ac1ba24e9ed7bb9fd25e9ac73eefe3a24a8da6d4f6344d68d35f6f61f' 
  AND (
    token = 'Stfyz9F21pXJaC+megAgprtl+bwNRmfLKIoyqSst0So=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )