UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2zqHzu6B9AFvamGzSImzGTgN9nP7sHT/4ojfsgx8js=' 
WHERE 
  key_id = '169eed095b1e73f2ff5a6edf029974e2b48a2068602f1d380becea357d39eb32' 
  AND (
    token = 'N2zqHzu6B9AFvamGzSImzGTgN9nP7sHT/4ojfsgx8js=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045