UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6V5nc/K8JTY3OQbx3gSDqyniyMtCe70uz4pevf7mOMs=' 
WHERE 
  key_id = '3ad4dfa99b7236e74fc8e8ba58a3a5e1b675920768e20d1c895fd90b0e750c4f' 
  AND (
    token = '6V5nc/K8JTY3OQbx3gSDqyniyMtCe70uz4pevf7mOMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )