UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AF9LgjGfEfdRdoHBdFfcoYkZdpeiC9zojkU/pk+2ytI=' 
WHERE 
  key_id = '83552f3087365e9983a7ccd95bff8b328ce639b2cb569f95a44029052b90942e' 
  AND (
    token = 'AF9LgjGfEfdRdoHBdFfcoYkZdpeiC9zojkU/pk+2ytI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )