UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Empqix4ClrKiwy8Bb2aLCXT8m6OJqGK06UeJ3Kf3ZE=' 
WHERE 
  key_id = '539cd3941a9ccbbc0f7e18871395693365310633a2e2e491fb11dc61c41ea0f7' 
  AND (
    token = '6Empqix4ClrKiwy8Bb2aLCXT8m6OJqGK06UeJ3Kf3ZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )