UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PmlUL5dRXCjhTnP19oQ5TVSunE5WFHZzdm++EaAkG3Y=' 
WHERE 
  key_id = '2bbc8e2b1053bc474d0501f8467199b812753adef0c5d54e209f6e911020de02' 
  AND (
    token = 'PmlUL5dRXCjhTnP19oQ5TVSunE5WFHZzdm++EaAkG3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )