UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+zkn5qFyJYV2Z2YL9An1cWvmIEkah1m171hsl+4u4Q=' 
WHERE 
  key_id = 'a243835caaefc48e7f27403c0b971955e498723b9ccc43600e514ee7b589bbb0' 
  AND (
    token = 'a+zkn5qFyJYV2Z2YL9An1cWvmIEkah1m171hsl+4u4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )