UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rM+F4erDu914sWOMMiBE936C5SE1dCDyEMYZ238E9ro=' 
WHERE 
  key_id = '404796621d584b9d1b974a77170cd37976549b3f6c3db5cf574cd90f832b90ff' 
  AND (
    token = 'rM+F4erDu914sWOMMiBE936C5SE1dCDyEMYZ238E9ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )