UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nx5ueTdue8jvksgd9TOuEHygyQivBUOixZ/6rHLNYRk=' 
WHERE 
  key_id = '2eb1a3661e0fd6b37259692280de66211c887520045d7235f60e5b22223a4db2' 
  AND (
    token = 'nx5ueTdue8jvksgd9TOuEHygyQivBUOixZ/6rHLNYRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )