UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lCxLjY21daoj3JCHUqeH6zKF2wCue43oA8goXH+x19A=' 
WHERE 
  key_id = 'a6816a5a04a20498c77413ffa63e91be6c8d703de0cee105c00997a4ff9d3da4' 
  AND (
    token = 'lCxLjY21daoj3JCHUqeH6zKF2wCue43oA8goXH+x19A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )