UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nMVM9lUIvabVxA25ZoBV5wIsRBjhToI9A1m5kWygM3M=' 
WHERE 
  key_id = '873e5ef9169f4f669fd4b759549713a16b09c9b5c323f409290d9902e6af665d' 
  AND (
    token = 'nMVM9lUIvabVxA25ZoBV5wIsRBjhToI9A1m5kWygM3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )