UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pk5H0+kNn6xJVWBfisdBD7Noe5slt+sOrpMaD7oIkwA=' 
WHERE 
  key_id = 'b40d01782afe01bd067e9489dc6af385995055e044c49c218b006a6ff8b7ca31' 
  AND (
    token = 'Pk5H0+kNn6xJVWBfisdBD7Noe5slt+sOrpMaD7oIkwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )