UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pn9Yb3FAzx+Sl9pQw1LEZgmKVlOfz+/boweEHkzzBW0=' 
WHERE 
  key_id = '9a18a8d32c8ed8a1f8ea6d8a4303af45f96a5e585a59193f0acf8ef93257062e' 
  AND (
    token = 'Pn9Yb3FAzx+Sl9pQw1LEZgmKVlOfz+/boweEHkzzBW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028