UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SgO4fyKLOZ74G3UbfFook3MOvthe2wp/+DB5yd/ZufY=' 
WHERE 
  key_id = '4a31233ad4a51e69d69e4b2be90e2976af1d24d5175595307f610535f682a6f6' 
  AND (
    token = 'SgO4fyKLOZ74G3UbfFook3MOvthe2wp/+DB5yd/ZufY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )