UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7H6eoEczOq2xQzKYliXMSHiw4aVsGzaWf81K/MADEew=' 
WHERE 
  key_id = '18a3a682c549b0ad169aaa7bb8c35d85af9cde7f61a8f300621f31dc03a1b827' 
  AND (
    token = '7H6eoEczOq2xQzKYliXMSHiw4aVsGzaWf81K/MADEew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )