UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1gMkzH0nZXfmg8Dx7SMf3uQj52xnZH5XK/tFFsD2Erk=' 
WHERE 
  key_id = 'b50af68f59a756a28146a3736e4f14355ace751afdefb6fb45e0027fae16509a' 
  AND (
    token = '1gMkzH0nZXfmg8Dx7SMf3uQj52xnZH5XK/tFFsD2Erk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )