UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUD/t2c3X/Wx7Jh+JCjcodhdkXWKgWAUl8LdGHeoJ78=' 
WHERE 
  key_id = '1991c6d7ee0abbe4d7c88dfbd5800ec20cb9d9f4a3765d5a630ace48776cade2' 
  AND (
    token = 'PUD/t2c3X/Wx7Jh+JCjcodhdkXWKgWAUl8LdGHeoJ78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )