UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QrGa8QqnYadc3z2cUEo0DS6DTwEHWyUYC/qTZyRihnc=' 
WHERE 
  key_id = '208f3a57fb758124f86268eb9306afee833f4b7602ca8e9e7e795b86a191d871' 
  AND (
    token = 'QrGa8QqnYadc3z2cUEo0DS6DTwEHWyUYC/qTZyRihnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033