UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RcNq+KNFQ2O4sqVvLnBsuHa4KV/h8dz4FalcrBvXVTE=' 
WHERE 
  key_id = '1a84796d029317d1ebe238e5fb3a57a5acdc593e02ed7d7f7a5a86447647576c' 
  AND (
    token = 'RcNq+KNFQ2O4sqVvLnBsuHa4KV/h8dz4FalcrBvXVTE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )