UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mLBG89tByOX1JDXQEu5B/J0V35XV61LiUJAv+GdP5cc=' 
WHERE 
  key_id = 'b615807fcc36802296aa6b3f54508cd29a3a616e01a5f1855ff2a8b2f4777042' 
  AND (
    token = 'mLBG89tByOX1JDXQEu5B/J0V35XV61LiUJAv+GdP5cc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )