UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '38ciaOGKnWN2hVatip8gV+hE60b7I7FsP3KauYMjPEs=' 
WHERE 
  key_id = '50f67fc5e324966f53f5678734fed3c2c21952214b25364ac25c7ddc101f5d74' 
  AND (
    token = '38ciaOGKnWN2hVatip8gV+hE60b7I7FsP3KauYMjPEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )