UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnYRK2d5hEXZacHZLsaLpYQ++GWkO6Bj4J6U/ITgcHo=' 
WHERE 
  key_id = '797ce31170b29575f3085f6fbd149bd63d42037cf87816f9bcb7369361aed354' 
  AND (
    token = 'rnYRK2d5hEXZacHZLsaLpYQ++GWkO6Bj4J6U/ITgcHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )