UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTtVFTbt+0iQa7tOADugUFra2mVdRmZfVOcUOyCzRYU=' 
WHERE 
  key_id = 'c7a6d3436c85c63ae277bcff553296869518ee866f63722148a1a28db43b32ac' 
  AND (
    token = 'MTtVFTbt+0iQa7tOADugUFra2mVdRmZfVOcUOyCzRYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )