UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxPK4zXH1fh4mzCGye9G+1yNqtQtndYmrvFkkY4zYvQ=' 
WHERE 
  key_id = 'b50c4499ab15c079a649722e244c89d41231b504a7fa8f1cfc40dc0547372c1d' 
  AND (
    token = 'yxPK4zXH1fh4mzCGye9G+1yNqtQtndYmrvFkkY4zYvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )