UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnKgzrVwDn0L2DSA9MKYYqTl3W6zEmZABdB6lBqO6tI=' 
WHERE 
  key_id = '994c1218c3329dd16a157fbc7d957e8392d081031b887ba76025eae2ab09f1d3' 
  AND (
    token = 'ZnKgzrVwDn0L2DSA9MKYYqTl3W6zEmZABdB6lBqO6tI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )