UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cxzbi6VQ+ig37xIqu4GfYZQLGfgav4AllT7gvdc5HZM=' 
WHERE 
  key_id = 'ca0f0bce5d3c01ef43257b35a2fe7cb05bdbd143a2286836cfe7befc1b54e6d1' 
  AND (
    token = 'Cxzbi6VQ+ig37xIqu4GfYZQLGfgav4AllT7gvdc5HZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029