UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's46CW6JiM1uy3IFBV6y1hHAErKuFv5TiSDEemv8Pviw=' 
WHERE 
  key_id = '6d83839c7b9e47a75e487cf81b76812e8861dcefe78e0529957afa57386febec' 
  AND (
    token = 's46CW6JiM1uy3IFBV6y1hHAErKuFv5TiSDEemv8Pviw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )