UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8eYo9eSfW3cM5td3ixl6ahq9rmS6VKS7rFmaSN4svVA=' 
WHERE 
  key_id = '8666d83e4272723d6f0a0ee535b63c1397450f8c5f0e67611c3e94615e07abba' 
  AND (
    token = '8eYo9eSfW3cM5td3ixl6ahq9rmS6VKS7rFmaSN4svVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )