UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWWMzz2kZ2P52tECu4p5Sts4a4SEBWOzCdQ20sGC0hg=' 
WHERE 
  key_id = '759e1d790e6ed646555fb91c7a3264fa342cf67e64efb6a3f1a018f6d35dc34f' 
  AND (
    token = 'nWWMzz2kZ2P52tECu4p5Sts4a4SEBWOzCdQ20sGC0hg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )