UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PtMFwbo8C2UfpOAPWVhU90vvx/bDzbszhS2YQoapzg=' 
WHERE 
  key_id = 'a4b2925d955b28b31ca5728c63189193b38f390137ac2ec82403b5826f41b71f' 
  AND (
    token = '8PtMFwbo8C2UfpOAPWVhU90vvx/bDzbszhS2YQoapzg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )