UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RM4ohtZ3/XMjYXwA03dT5f5WwgM5cUKWgzAOxiJomw8=' 
WHERE 
  key_id = '31280e1af0a9df81414e3c90126576adbbb696066a8b7701a0b5ae19750b82f1' 
  AND (
    token = 'RM4ohtZ3/XMjYXwA03dT5f5WwgM5cUKWgzAOxiJomw8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )