UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZcwtI5vcShpDRkLLcljTglPVjE7zUVWkQLng+/rszNo=' 
WHERE 
  key_id = '39d21c8c7dc481622f250da6f8808a279dcd93a0f486ff565f9613204d5a9f83' 
  AND (
    token = 'ZcwtI5vcShpDRkLLcljTglPVjE7zUVWkQLng+/rszNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )