UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L6HSosTtbF3WvEv5SXkIydQYemwAJWL3aVNFIz+uFFE=' 
WHERE 
  key_id = '0896dc435d2520e9fc6df3a33ecaa2d67a6823a88c682d20e0e140e67e151290' 
  AND (
    token = 'L6HSosTtbF3WvEv5SXkIydQYemwAJWL3aVNFIz+uFFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )