UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DrmK49frS1A9qketX2b5DIhdSa8HShfES6pD4K6S4Lw=' 
WHERE 
  key_id = '86a984a787756bb884b1cd3929a0f858a4dd47a3a7a4cc19f2c4fe826d75f246' 
  AND (
    token = 'DrmK49frS1A9qketX2b5DIhdSa8HShfES6pD4K6S4Lw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )