UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M0J82lSHIuO4SFIEW67DZcXw5WU5F8VBVsEdTVWdcZE=' 
WHERE 
  key_id = '4751984134c4b743c75b342082c9773c76e78c7e87083aa13b6a67d8ff900d53' 
  AND (
    token = 'M0J82lSHIuO4SFIEW67DZcXw5WU5F8VBVsEdTVWdcZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )