UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnwBCqNlZMQCsOoi4aNKdkM5X2RjWwVN11x/5D/hgU4=' 
WHERE 
  key_id = '21859c92a4e9a91553071eca486e4aeead553299eff40437e065cc2e1ca2a1e1' 
  AND (
    token = 'rnwBCqNlZMQCsOoi4aNKdkM5X2RjWwVN11x/5D/hgU4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )