UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gmc64h3Gr/8mzOVIhMdkFoemFzawnekuPlZuH7gEOGk=' 
WHERE 
  key_id = '2a5d3251200213c39127fd5196183604f80e9a8276c2d7cae9ddaf4360ecf9c8' 
  AND (
    token = 'Gmc64h3Gr/8mzOVIhMdkFoemFzawnekuPlZuH7gEOGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )