UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't5PaPzoS4CNlVEodIalqzennJtSdVB5JCjv0Yk+gwD4=' 
WHERE 
  key_id = '6a1b3c4e964c643e4ed674f0272ca8253752faca52561e29eed8b9e2f4e72721' 
  AND (
    token = 't5PaPzoS4CNlVEodIalqzennJtSdVB5JCjv0Yk+gwD4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )