UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51McF2qbL/RbTJ2dHgLiKE3jmRMeWeBehlhF5YNGpV4=' 
WHERE 
  key_id = '39982a40f33124a56983b5fba1725a7b9a4c9ab6705538136af8dc63e8edbea8' 
  AND (
    token = '51McF2qbL/RbTJ2dHgLiKE3jmRMeWeBehlhF5YNGpV4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )