UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xxhmwq07+VSq4Dj+nn1zNaEJf/SlVo0aueTx/+4zBxk=' 
WHERE 
  key_id = '908c971c537c04826ed1453b1f3deea74e2b2488ec1b56fb89b0e03421b6bf94' 
  AND (
    token = 'Xxhmwq07+VSq4Dj+nn1zNaEJf/SlVo0aueTx/+4zBxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )