UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EezVkA81kqbOcyz3a9xs//1Nu/cTlRj5wJUzqBoD9Bg=' 
WHERE 
  key_id = '6802c177d64bfe6ed5c322d985e8cd545845197e323478f3d52b73985ece2c17' 
  AND (
    token = 'EezVkA81kqbOcyz3a9xs//1Nu/cTlRj5wJUzqBoD9Bg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )