UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ojwVH+0JHdqWD9uZ9Pnt0bWX9nGeEb41aFHchm2i5RI=' 
WHERE 
  key_id = 'b6e73ad295e9472db2f8166518ffdfaa55d1fe972d45f69f85271875e9596701' 
  AND (
    token = 'ojwVH+0JHdqWD9uZ9Pnt0bWX9nGeEb41aFHchm2i5RI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )