UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DGRLwZg9Ij1YNHzDHGG13hIi5Kt2sQyQ8S5Hv/cbX8A=' 
WHERE 
  key_id = 'b4d368f045c1a65ad7ae96db7d2e9fd4bccf6663615c7c0849f2fd141c68a0a2' 
  AND (
    token = 'DGRLwZg9Ij1YNHzDHGG13hIi5Kt2sQyQ8S5Hv/cbX8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )