UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I91gjlqde7S0oqzGzpn1YD1JhGZwlO0sfiG4Ss579FU=' 
WHERE 
  key_id = '259c9595ce72e99c7f43a98392a12725f6643acdeba4d279c812b50401de35ef' 
  AND (
    token = 'I91gjlqde7S0oqzGzpn1YD1JhGZwlO0sfiG4Ss579FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )