UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6NqsiJH3qsgqq8tpxgU3FScTOcZze7axwnlwNs792eg=' 
WHERE 
  key_id = '83c93557341af92ffedbeba95eb1385834c8ee71b3be46039d9b4f7596ab5251' 
  AND (
    token = '6NqsiJH3qsgqq8tpxgU3FScTOcZze7axwnlwNs792eg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )