UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'akq9KWorc0YQgKWMKZFBBj8rXLPQrNv87trFOeW6KQ0=' 
WHERE 
  key_id = '4a4ef32183a8c718ba1a730258e078d8541c9cc3d0ee329be950446c15521a37' 
  AND (
    token = 'akq9KWorc0YQgKWMKZFBBj8rXLPQrNv87trFOeW6KQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )