UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u1ZZ6PNJxvxNvLsLMXV8aqEAPk9jSUyCa2lBfl4B+po=' 
WHERE 
  key_id = '4d0d399113813f14f0d2638773348d754c44d202462b2d9678146c868e76c337' 
  AND (
    token = 'u1ZZ6PNJxvxNvLsLMXV8aqEAPk9jSUyCa2lBfl4B+po=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )