UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r35v8Dsu7Ir4xioGSBZ6VPFmZgnV72VlfRENJjl6H/I=' 
WHERE 
  key_id = '7b124cd00c68c593d281ba008453d04052a337fa51c269046db62d6e5a71793c' 
  AND (
    token = 'r35v8Dsu7Ir4xioGSBZ6VPFmZgnV72VlfRENJjl6H/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )