UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MSmHGeoBuEFbbpMYHYlFAgVsajgGbQNsbKurWtA2MxA=' 
WHERE 
  key_id = 'a2d503dee05858e8b84d6f741fa0ab7f03864f11f777c19b2474478f043317be' 
  AND (
    token = 'MSmHGeoBuEFbbpMYHYlFAgVsajgGbQNsbKurWtA2MxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )