UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kI0GQjO1Nmz/6Vgry60zvMMzFmU7yZga5L2kah6Ykn0=' 
WHERE 
  key_id = '93c16938cd20a0698b9468627785a3257e98c47036f751c4e404c4d498357e44' 
  AND (
    token = 'kI0GQjO1Nmz/6Vgry60zvMMzFmU7yZga5L2kah6Ykn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )