UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DB8nAFZk+Q/i78K8cUzma2lyATR+0OY5P5KsLjynovE=' 
WHERE 
  key_id = '2c2a6dc2631d2c61774719837e695261a075a28aeed410183521ab92407f997a' 
  AND (
    token = 'DB8nAFZk+Q/i78K8cUzma2lyATR+0OY5P5KsLjynovE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )