UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kQs8+aW5Zmw2+1ehNAbuMOTCUY6dVAHsxEvT+SdAyVI=' 
WHERE 
  key_id = '7c53a7b4764f03164a262bf98b8692d6ee1aa38a684f65db7198ff17a8554e87' 
  AND (
    token = 'kQs8+aW5Zmw2+1ehNAbuMOTCUY6dVAHsxEvT+SdAyVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )