UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZfrSAuisD+JGpAZQyEg2K4CKhORgBVBhLepCUG6Gj7c=' 
WHERE 
  key_id = '51ca2e37eab7f6db56ad26ecf74fb728d2171b40b0ea74891b4c6e5b99e99bc7' 
  AND (
    token = 'ZfrSAuisD+JGpAZQyEg2K4CKhORgBVBhLepCUG6Gj7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )