UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ikOrrpCERX4IVGarK2ro7EYygnPaWeqiqi54eTlJAes=' 
WHERE 
  key_id = '2e1df83247cad143bab898bccc5a8c5f3a4b659463f756a00b520939356236ad' 
  AND (
    token = 'ikOrrpCERX4IVGarK2ro7EYygnPaWeqiqi54eTlJAes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )