UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yL8E35S5Q5kjliKTCMKTPzFssstejqi0h2LrdL/qyqA=' 
WHERE 
  key_id = 'e51373048bde0a69f97a14a779b1a92c1d1d17d329d8f34544ad1d264f752b43' 
  AND (
    token = 'yL8E35S5Q5kjliKTCMKTPzFssstejqi0h2LrdL/qyqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )