UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '70e3XkgCgRmtTgzYpMmh2oq0tuIN7gsu2BC2e8EYxg0=' 
WHERE 
  key_id = '4a2961fcf5ebae382641974218cc52de85e9d3c9457695427626a3b20d803053' 
  AND (
    token = '70e3XkgCgRmtTgzYpMmh2oq0tuIN7gsu2BC2e8EYxg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )