UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '17ylRk4v9ybOe8dLKxEJQWJ2PsjTjz3G9uOXWrz+cBs=' 
WHERE 
  key_id = 'a751db5c755edf9344c380c734a3a73bda32058a6cbd502a671d9d2a127f7389' 
  AND (
    token = '17ylRk4v9ybOe8dLKxEJQWJ2PsjTjz3G9uOXWrz+cBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )