UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lx6oPDOxvwc1GSTcxoJbsTIhZosvbfD2sG77V+cKM6s=' 
WHERE 
  key_id = '6ed696173ae1df50f015e978bcc9a3f449d073b18812eacb2b958128c700d48e' 
  AND (
    token = 'Lx6oPDOxvwc1GSTcxoJbsTIhZosvbfD2sG77V+cKM6s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )