UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W3ZWVbmmo44XuhbhDznt7s9NqPLKwBhzzG0U5IDkyI=' 
WHERE 
  key_id = '978bd7c720d3b2f3f152296de0a25dbef65c68b9ff1037ec9d6033e94cb39943' 
  AND (
    token = '6W3ZWVbmmo44XuhbhDznt7s9NqPLKwBhzzG0U5IDkyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )