UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u1+KcGAJVO+dmHOF7OMQRC5B930VwhTUlwui3FiC4IA=' 
WHERE 
  key_id = '6efdee4ba2794a7b0ebe5e1170c3ef07fe87a877a9f345f551db941c7bce19c2' 
  AND (
    token = 'u1+KcGAJVO+dmHOF7OMQRC5B930VwhTUlwui3FiC4IA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )