UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ECKMKeusxH1/3YMNVKqAkKryI7dPomnemNXllrq9XxA=' 
WHERE 
  key_id = '7701875f01901277e5050b45764a0f2e37b27ba1c0ec8c744ca09d0626bf7df6' 
  AND (
    token = 'ECKMKeusxH1/3YMNVKqAkKryI7dPomnemNXllrq9XxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )