UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NwtuVHkevt0cfm2Q6rKgoBx8yr0xuq8ruFE4wT5IA0Q=' 
WHERE 
  key_id = 'b843ce06ac1aa4914e087a26d911b9906c19e02f42582d55afd4efdba5561778' 
  AND (
    token = 'NwtuVHkevt0cfm2Q6rKgoBx8yr0xuq8ruFE4wT5IA0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )