UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6THmuS3DTM03xAMH24swHobzdhjPiqnGusHuCS1nHo=' 
WHERE 
  key_id = 'a5164a7eec17ba2afab36635b4f484356b7add422e8516a0b03223c68ac0bae8' 
  AND (
    token = 'U6THmuS3DTM03xAMH24swHobzdhjPiqnGusHuCS1nHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )