UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n0xcJgZy371fyLtCNO3Q0518nQ5o4Cu7/UkByBuLKrM=' 
WHERE 
  key_id = '15e7d1af5144cf0822cb354ebe56797dc7b803d6072e8aab7ea3df4ea2e648b4' 
  AND (
    token = 'n0xcJgZy371fyLtCNO3Q0518nQ5o4Cu7/UkByBuLKrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )