UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eaPjut3NpzPgWCSBRjtJPj6sQaaQ0jmOyRT7ZFJb1lk=' 
WHERE 
  key_id = 'c878403ef66ada739c0a30b3c6f413755469a2cd8dd16d6f25f282d06d6fe76d' 
  AND (
    token = 'eaPjut3NpzPgWCSBRjtJPj6sQaaQ0jmOyRT7ZFJb1lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )