UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9XsYn6juByRFSe5JWWiKlrtGOvGOgeZwgtKE4BZuVA=' 
WHERE 
  key_id = '0577b2bd428bb0aeca2b6dcf8f18676fa0dea6a0b7cc17a31d5da565937bc3a8' 
  AND (
    token = 'a9XsYn6juByRFSe5JWWiKlrtGOvGOgeZwgtKE4BZuVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )