UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qt2uPb/1i252NCzIlKts6A87eaxSL7XGZIEkAsq2K/4=' 
WHERE 
  key_id = '4a834902f7cec71ca9705cbdd32360253440c0abc9873ba3f7969cb5d7ec527c' 
  AND (
    token = 'Qt2uPb/1i252NCzIlKts6A87eaxSL7XGZIEkAsq2K/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )