UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0CTe5hN3jseXynSzfrtIMeIa2dMAP6hlqc0eo1x7gM=' 
WHERE 
  key_id = '54d2666478620342dc259f741f91078ad35fe06de72d5a088a26b0b1d3a77408' 
  AND (
    token = 'U0CTe5hN3jseXynSzfrtIMeIa2dMAP6hlqc0eo1x7gM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )