UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N51ZBWTpqJL45SG97g1ZqVO0TL414rWYev8cnKBUEIw=' 
WHERE 
  key_id = '72d027bc084d7e65b61eacd2e77bd77dfe28d3d8a7d85ee86351ab4eb25f40e0' 
  AND (
    token = 'N51ZBWTpqJL45SG97g1ZqVO0TL414rWYev8cnKBUEIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )