UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'El7ryhmle4wU1Qbu1m+2vty1aFAkfY4MJmTTVKb+hH4=' 
WHERE 
  key_id = '2047eb6866d46c01f67bed95abcf1e21bb77c86db5bce47402a53b69375c7195' 
  AND (
    token = 'El7ryhmle4wU1Qbu1m+2vty1aFAkfY4MJmTTVKb+hH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )