UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4/bC8VX5nUwXsjFUcQPrAmBYcytxlXpqVM0YUSJHy/4=' 
WHERE 
  key_id = 'b79cb91c480ee40d20204a23925c62347a6c8ea369277b488d37af7891ad818c' 
  AND (
    token = '4/bC8VX5nUwXsjFUcQPrAmBYcytxlXpqVM0YUSJHy/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )