UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zL8lZ/fD0rkYBn3JYeDGQ5bCBimHS0s7q1kkumY18wM=' 
WHERE 
  key_id = '27dc2667890d8d86989436055f7443d87611739f513625c0a329f49da457af60' 
  AND (
    token = 'zL8lZ/fD0rkYBn3JYeDGQ5bCBimHS0s7q1kkumY18wM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )