UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pEO9U3tcizzuD0iTH1B428E9rFXvpUS1ihAYsiTtDlE=' 
WHERE 
  key_id = '6755a26439c591ead9997a4fbbf13596ed054ff840f6e0238f07d12302a62274' 
  AND (
    token = 'pEO9U3tcizzuD0iTH1B428E9rFXvpUS1ihAYsiTtDlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )