UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eZH+Me9DOnuNC59CKT+uVZHpO+v9Z6EnuZ3GLzmz2fc=' 
WHERE 
  key_id = '852898ee24f177706ff8be027969fafb6b98edac331ac3a9db045271f2716a9b' 
  AND (
    token = 'eZH+Me9DOnuNC59CKT+uVZHpO+v9Z6EnuZ3GLzmz2fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )