UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zluf1VABiysOvyiSw3nW0VpFLM/ImEiwhCKkC6UYSRA=' 
WHERE 
  key_id = '4c95d92a717ad2a45cd9ee02fbc694bf6391ddd1a9110419a42776bd50ebf45f' 
  AND (
    token = 'Zluf1VABiysOvyiSw3nW0VpFLM/ImEiwhCKkC6UYSRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )