UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm4gsfqmr1tNoAI9o2JUEpO7b7vMIy8VpSnDwtzXKne0=' 
WHERE 
  key_id = 'c2a7486da5cc0c981e6350e36995b8663652238c00af960d70a711001a7b507f' 
  AND (
    token = 'm4gsfqmr1tNoAI9o2JUEpO7b7vMIy8VpSnDwtzXKne0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )