UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6QxCzcRA9mm+mdj6MtLtv7zg39TufuVoMKDI0EXskQ=' 
WHERE 
  key_id = 'fa1f4639e99145453d04497d0638e215f79a17ce7ce0eb55f137bc407f49c120' 
  AND (
    token = 'U6QxCzcRA9mm+mdj6MtLtv7zg39TufuVoMKDI0EXskQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )