UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OYyiUwR48zGulIUrU0ARgDcPOf5chnvBIrcBI0mOZbg=' 
WHERE 
  key_id = '81d18c4d0560219669e50738ce544aa16aa8fefc91a019b0d820f40cacb1bc43' 
  AND (
    token = 'OYyiUwR48zGulIUrU0ARgDcPOf5chnvBIrcBI0mOZbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )