UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ep36HZCl23x1HaMywBYIoODNh8X2wx5OOZbZ1MzemIM=' 
WHERE 
  key_id = '87b2f938e680ee02cb4bd3f428bc33c1f12b528dabf988a66519195daebc2968' 
  AND (
    token = 'ep36HZCl23x1HaMywBYIoODNh8X2wx5OOZbZ1MzemIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )