UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AUm5OEoqQOZ3B8o0oeBrl2ieKeZdOOc4kgHtk2B/K9c=' 
WHERE 
  key_id = '4814812d5710bd0933e4278ef590bc0fc519b568e8585d508f121579bb98db89' 
  AND (
    token = 'AUm5OEoqQOZ3B8o0oeBrl2ieKeZdOOc4kgHtk2B/K9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )