UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yy+JGWzekM52zalkCY4cSvx1/TWq5jxK0SHvq/6QgE0=' 
WHERE 
  key_id = '139d73f660839d1dd217311928f69da47eb41620afe275a517fb4da2310b1545' 
  AND (
    token = 'yy+JGWzekM52zalkCY4cSvx1/TWq5jxK0SHvq/6QgE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )