UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kDnu5CbbpFeyvbIw+xGiPC46nwwM2ztSLeo0do6RrDQ=' 
WHERE 
  key_id = '36a9b18de73de2436afe0962036d31d4baad9213e92c4b6bdb497beaa370a423' 
  AND (
    token = 'kDnu5CbbpFeyvbIw+xGiPC46nwwM2ztSLeo0do6RrDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )