UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vM+e44IjjQdDjo5PY1TYJmA5WwKIGDHFk+mxdthj0KI=' 
WHERE 
  key_id = '851f9e3d753062b6a7f23fa28fd66e03c71827cdc8286305fd970d0e7f0ed21f' 
  AND (
    token = 'vM+e44IjjQdDjo5PY1TYJmA5WwKIGDHFk+mxdthj0KI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )