UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4v4BbzQqqu9dBjVCUW/b3KM1628+JAvhHvWYWSBwHOk=' 
WHERE 
  key_id = '81ffffe4674fb2e8efbac5bc683d9eaa260a2153c89bf0ca75a2a727f4a8522b' 
  AND (
    token = '4v4BbzQqqu9dBjVCUW/b3KM1628+JAvhHvWYWSBwHOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )