UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+L/teP0WtDwxTGkXFAFcjiekIWwWXtUXM01o493SAh0=' 
WHERE 
  key_id = 'd51f557e1a3b63436912b3d4a094abea5f1cf5441eb301a0ba1e6e017d7313f2' 
  AND (
    token = '+L/teP0WtDwxTGkXFAFcjiekIWwWXtUXM01o493SAh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )