UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4kWWd2Am8CrZv62ai0EjFhaG/e1/u6yKCPs4RcmFmeY=' 
WHERE 
  key_id = '76db44e13687dbf9f1a2899f5b6651674d1ee08b4752cd1c4fc764e95c295cf9' 
  AND (
    token = '4kWWd2Am8CrZv62ai0EjFhaG/e1/u6yKCPs4RcmFmeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )