UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qPDtV5QCI2gQHdH9mjyV08Ce17XO2QMhMKpV74bd+1w=' 
WHERE 
  key_id = '4635d4e3587e967b7ada32bebedf035086ce15c6179f5be34e1be77f50e31595' 
  AND (
    token = 'qPDtV5QCI2gQHdH9mjyV08Ce17XO2QMhMKpV74bd+1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )