UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kG92lugkyPKaXQUISNAvwWyNL6Hq5ar6iTO8VlDEen0=' 
WHERE 
  key_id = '768356a04c6fcd875eca85fa1face9df42238520b3dd9ce47dc6850e8bd216fb' 
  AND (
    token = 'kG92lugkyPKaXQUISNAvwWyNL6Hq5ar6iTO8VlDEen0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )