UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y961EraAnXv3X4r7ms203Er3WC3jHqIahwt4hDewvNo=' 
WHERE 
  key_id = '4eae08d249a8e77f0e133e8f36d1d5185e3f0693095857229d77a69d2f8431ac' 
  AND (
    token = 'y961EraAnXv3X4r7ms203Er3WC3jHqIahwt4hDewvNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )