UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JnnFp/vdW4ljYzo7ttkqCa4xk3p8Ut0AQ2IJF40VQH4=' 
WHERE 
  key_id = '9b1604d314826c0f16cc1e953cb477655c399944c6d046a77756c8aa2c80eb68' 
  AND (
    token = 'JnnFp/vdW4ljYzo7ttkqCa4xk3p8Ut0AQ2IJF40VQH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )