UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oEzgKYnNBHWa4bdLwDUZKqqqanszyr5FfWyRc3LlA3o=' 
WHERE 
  key_id = 'c6c0686917f2932089867f6ad7b40e43a7911dd03256384a39a3a75a17537f2f' 
  AND (
    token = 'oEzgKYnNBHWa4bdLwDUZKqqqanszyr5FfWyRc3LlA3o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )