UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fg3dUaKYnAR9IZxaQL9NhhSdNHhNcYUcCOFz9upoYgs=' 
WHERE 
  key_id = '426b2f05a053d9f5405afd520e11239ed2a2278f143e956ab953161eae87e9cf' 
  AND (
    token = 'fg3dUaKYnAR9IZxaQL9NhhSdNHhNcYUcCOFz9upoYgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021