UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rw6sSYSX5/jOELXDhYRtV14sC9ykUFSuNjzoGYnj2G8=' 
WHERE 
  key_id = '7a99b968e41531b9693b9e92e8d0b3c2a062f59b2eb5add6be727e126529e369' 
  AND (
    token = 'rw6sSYSX5/jOELXDhYRtV14sC9ykUFSuNjzoGYnj2G8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )