UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pWz4M170cAaJG64J0bKDDtM+eEPP91l1jzEQUtEzh5E=' 
WHERE 
  key_id = '50d183fc79149af42ffc42a90027952be863f2c4cf6318ba7d6d73ba74331cc8' 
  AND (
    token = 'pWz4M170cAaJG64J0bKDDtM+eEPP91l1jzEQUtEzh5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )