UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kd8b2iqasHIlT9gx7mcLbMMxsDfigGwdqzlg1DxOqMk=' 
WHERE 
  key_id = '8591ca2802e69f398a40cef4801ed43a60c1b2fb1a7825f757f5c69a5c44b389' 
  AND (
    token = 'Kd8b2iqasHIlT9gx7mcLbMMxsDfigGwdqzlg1DxOqMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )