UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6HBrCPiWz9HRFx6Ro45bq8rHXVC52TUcZ5lP4lei2Q=' 
WHERE 
  key_id = '93170a909f0205c8be3e64d7ea7ad483fe1bbb118b17b15ebbb6d12ebc4a94cd' 
  AND (
    token = 'a6HBrCPiWz9HRFx6Ro45bq8rHXVC52TUcZ5lP4lei2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )