UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZwctNYHEvm6kO1bdAwp/55+z0/8L3YwPQE3m6EuMr40=' 
WHERE 
  key_id = '39d8c0a943a4e0e9b19c08b16e33bb123f82265abdd68dc21a1a03dded34f7f9' 
  AND (
    token = 'ZwctNYHEvm6kO1bdAwp/55+z0/8L3YwPQE3m6EuMr40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )