UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6g/e1XXir5w5VWjTcBJ7PQ2Lyinxd5TD0siGQw5hR3c=' 
WHERE 
  key_id = 'c20bbb4bf517c633562b81a06f5bfde893388b5d33b8fcf78907d663818820b6' 
  AND (
    token = '6g/e1XXir5w5VWjTcBJ7PQ2Lyinxd5TD0siGQw5hR3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )