UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PoBXebIMDvA88djLwcyJqxcWg9lCuaDLRwUf5cyAUqo=' 
WHERE 
  key_id = 'cbdd9c802764aa9da5551d12930cf940df4109bb84176a163451e0e9fdea76ec' 
  AND (
    token = 'PoBXebIMDvA88djLwcyJqxcWg9lCuaDLRwUf5cyAUqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )