UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FBGWEtay/5Dzt9XuTpzrymgUjgljSx7tnLeKpfLK+HA=' 
WHERE 
  key_id = '93473bb283d9360e93969cadd7eea4ad017f147369da2a0d957e284bbad3b72c' 
  AND (
    token = 'FBGWEtay/5Dzt9XuTpzrymgUjgljSx7tnLeKpfLK+HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )