UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lG/d0TDBi3n+fYm/WITmqbuXKNLzn6gtCexHQWAI4U0=' 
WHERE 
  key_id = '846efc6e852cd089347ed28709f2b7b49f38baae1fa1213409de121827a446df' 
  AND (
    token = 'lG/d0TDBi3n+fYm/WITmqbuXKNLzn6gtCexHQWAI4U0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )