UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'smq9lJQaMrzXKSnkJqtNmoRZcixj4wnAA1UTEAcKFrw=' 
WHERE 
  key_id = '4de6de52f55f31225976d18de99fe03ef2c1383e6f64b37d17c73216cb073274' 
  AND (
    token = 'smq9lJQaMrzXKSnkJqtNmoRZcixj4wnAA1UTEAcKFrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )