UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhUVg3WeW1Ls67sOSNUYTrEbHvF2MPBExCD7/tcrMgs=' 
WHERE 
  key_id = '238a3e3555fd2e7d62ec1962982de4b14f30912ac7fd10fb12c9200539edfa56' 
  AND (
    token = 'KhUVg3WeW1Ls67sOSNUYTrEbHvF2MPBExCD7/tcrMgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )