UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xubMZ8KDVE8Fih6WTnDg2iTdBUlBz8sIcNj7W9G9LR4=' 
WHERE 
  key_id = '79ce805474eb092f2984133557d74df75c4e7dc893dc87a73646b4a7bc463503' 
  AND (
    token = 'xubMZ8KDVE8Fih6WTnDg2iTdBUlBz8sIcNj7W9G9LR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )