UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZN97WW5C0BSvDQoU/egKWb2XNpFT4UM2w96CCM3beFY=' 
WHERE 
  key_id = '4a8117e4af85b275955bff8b3d65ba6befd6e4a9fbfbfa0685d65860f1f9d53d' 
  AND (
    token = 'ZN97WW5C0BSvDQoU/egKWb2XNpFT4UM2w96CCM3beFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )