UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TEfGuJsSUpJzw2Jv+5KyGaVGBSqSs1uNsvUXWk2E1/k=' 
WHERE 
  key_id = '820e44e042f62ef6c41c328489f34707388233c87bc651f20b3bc36f7702f87f' 
  AND (
    token = 'TEfGuJsSUpJzw2Jv+5KyGaVGBSqSs1uNsvUXWk2E1/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )