UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PeVfrkIBUFpZy0bazGboNs9mfqq3XBRwGlcHOL0ltnY=' 
WHERE 
  key_id = '4521ab8ea7a8062d4ef559df9c5eeca9eb05818139c64915926ca0ee1b837c22' 
  AND (
    token = 'PeVfrkIBUFpZy0bazGboNs9mfqq3XBRwGlcHOL0ltnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )