UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jd5xrwvS7mj0cr+hro8ZezPJxaE2wUN606dtFMyUq34=' 
WHERE 
  key_id = 'f89d3662fad5948326f47f6789602cdaacf9116809b4f7da756a60ea43996554' 
  AND (
    token = 'jd5xrwvS7mj0cr+hro8ZezPJxaE2wUN606dtFMyUq34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )