UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4RgCbQu19y9SHGgK8fmHWf7UxqGTgAtBj5I5WQce85Q=' 
WHERE 
  key_id = '637ba7badf3cf5ae232726943cf2e2c524f0fa92971f153e6db9f64ffe2e89ee' 
  AND (
    token = '4RgCbQu19y9SHGgK8fmHWf7UxqGTgAtBj5I5WQce85Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )