UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5qbrNPqFv5wlBdXjDiloMyGaPDTPq4gd+1h6NKH74EA=' 
WHERE 
  key_id = 'a8816f0e89e98d9f2e30f7b64386051a8fd13040943e492ad6885e26335957af' 
  AND (
    token = '5qbrNPqFv5wlBdXjDiloMyGaPDTPq4gd+1h6NKH74EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )