UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRqc6BJeIlK3VnvXdFsFkUkYziTsEfeWGAGu8b2u9T8=' 
WHERE 
  key_id = '68c6b0acf28e4f49f1a7724edbb1da34875c93744fed00fb8c9bfb1f0dd05e30' 
  AND (
    token = 'KRqc6BJeIlK3VnvXdFsFkUkYziTsEfeWGAGu8b2u9T8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )