UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4F7ZhQMBua0CBdrJxg5ppHsziiGajXbikMbaOQ+pUCk=' 
WHERE 
  key_id = '18759ad9ceffa9e410e811afd503d651691e23644a082f6944a87cf202f35cf7' 
  AND (
    token = '4F7ZhQMBua0CBdrJxg5ppHsziiGajXbikMbaOQ+pUCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )