UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IWLkEq3jrStsVaMMJF/tol7JRX1cphRhgYPMPOqrhNM=' 
WHERE 
  key_id = '15b8e3b1281585321d4ff52a58bd947ded12b550d802e849f171ae1cf5ac5097' 
  AND (
    token = 'IWLkEq3jrStsVaMMJF/tol7JRX1cphRhgYPMPOqrhNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )