UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBlN2YnXhGXkRVY43nOMvd4mbyuYWqJhjFlAj4dxSrA=' 
WHERE 
  key_id = '16d5dec02b698922a9d6abe70ec5e877698536a9f45d9d361f66e61f0a769d2e' 
  AND (
    token = 'MBlN2YnXhGXkRVY43nOMvd4mbyuYWqJhjFlAj4dxSrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )