UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zK1ZmPkiy0cSXjUsErjEZy0ySwvoBrXLglkNAqdy/UI=' 
WHERE 
  key_id = '7a43d77309c68467e978a978da096115f5cc1210734d515dc5c37626c19206f4' 
  AND (
    token = 'zK1ZmPkiy0cSXjUsErjEZy0ySwvoBrXLglkNAqdy/UI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )