UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XmswHkoOmsr7MxK5DR9lZ6jIGHANFQlQhoKkCBlcPlg=' 
WHERE 
  key_id = 'c12f8f074bf3a4a066e95ac282906ff0dcc3dcdfd6825b930fc3fbaad5afaf9b' 
  AND (
    token = 'XmswHkoOmsr7MxK5DR9lZ6jIGHANFQlQhoKkCBlcPlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )