UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6qgriMQHTonSHUzJuCqnhYM5BkGQHCUJxAtUg8xWo8=' 
WHERE 
  key_id = '98ef34146658014ddc396b0070865145f3070838b079be22df03025be8d402f7' 
  AND (
    token = 'U6qgriMQHTonSHUzJuCqnhYM5BkGQHCUJxAtUg8xWo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )