UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxcokAH2k+WfVbMYIpyL8EJMvHBezYPoWaq5iAajP4Q=' 
WHERE 
  key_id = '3ac913fbcfa850e48671f841dd8327c474be5e03708bc3a8f87f6841768a4a9a' 
  AND (
    token = 'MxcokAH2k+WfVbMYIpyL8EJMvHBezYPoWaq5iAajP4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )