UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ml9eX5ju+rIfmrG4XiZoEBDtgyWla18npSjwo0bJEQs=' 
WHERE 
  key_id = '19e81b34af40ab12a168f7e8a99be2821da81ab8f89649f9b8530b8c7e4191af' 
  AND (
    token = 'ml9eX5ju+rIfmrG4XiZoEBDtgyWla18npSjwo0bJEQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )