UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yz3qZnTwZ0kZJS8Q9HWfbBsZ2Gcj4uMxgJhyJ0kQcl0=' 
WHERE 
  key_id = '89071ae7e1b1783a421e9997827feea886b1f100e3d18bbe87274818236e8882' 
  AND (
    token = 'Yz3qZnTwZ0kZJS8Q9HWfbBsZ2Gcj4uMxgJhyJ0kQcl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )