UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j4vFtfm35v9aScEP43gX6tNksCp2uCbSwPEKNBKFFeE=' 
WHERE 
  key_id = '6c68f0f975ebf7f42bcd51329e2e42653a50dd53ffb7c5d33a079a4f8b2f3b6d' 
  AND (
    token = 'j4vFtfm35v9aScEP43gX6tNksCp2uCbSwPEKNBKFFeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )