UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8+9buRfsnohVIk0Zs/zDj1eMhz2E5VyX3EiqEGgQIw=' 
WHERE 
  key_id = '8638efaa5b3c1b56c564b7c0dc90968c4c5535256144eab67713dd8a4c976359' 
  AND (
    token = 'N8+9buRfsnohVIk0Zs/zDj1eMhz2E5VyX3EiqEGgQIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )