UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '16sk8xjk4+pnPQ7uWBIxaOGrE284CsuubotmbUE7AXY=' 
WHERE 
  key_id = 'a3db6c4d776176febfc1e118c5670e8e429567b0616a8128d2949841d4fd53ed' 
  AND (
    token = '16sk8xjk4+pnPQ7uWBIxaOGrE284CsuubotmbUE7AXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )