UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yiXLCKaRlTCZKecMjJBSE0uL25AgJN4fQPzCu1dTUYI=' 
WHERE 
  key_id = '6468d28dc23b37ea74a01eb722bf659684299f95d2055a91584f0d1eaada2937' 
  AND (
    token = 'yiXLCKaRlTCZKecMjJBSE0uL25AgJN4fQPzCu1dTUYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )