UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9zSTtpeajVrhjW5VqA8Z6mKRrs7rCxoz0y3TYfvl6IY=' 
WHERE 
  key_id = '51838bb637a22cba0e2ef036118ae3149323f2f06ae8b7c1480153ea58e771e2' 
  AND (
    token = '9zSTtpeajVrhjW5VqA8Z6mKRrs7rCxoz0y3TYfvl6IY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )