UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Cf/72utAzx3gGHDnCAGEG21DWs78d18012IA38+Q1w=' 
WHERE 
  key_id = '6edf1d9f3e89be887915c5c25daf72de208fad626f99010851e9447a690517ec' 
  AND (
    token = '3Cf/72utAzx3gGHDnCAGEG21DWs78d18012IA38+Q1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )