UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wwti/cMSADi1CDSHoTJDExNDv0JIY0T9COMQXhiTKbA=' 
WHERE 
  key_id = '91cab8b60c177e619190f84495fe75be025870a4ee2a8ee688700d373318e7af' 
  AND (
    token = 'Wwti/cMSADi1CDSHoTJDExNDv0JIY0T9COMQXhiTKbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )