UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h/M4bQ6djePUupyCPsgyGu8RD0bm33HVJaQ6HZVcD8Q=' 
WHERE 
  key_id = '815bb16b2b0d33523bc10adc0ded0da4c0b406361dfff64673460ab68e75f139' 
  AND (
    token = 'h/M4bQ6djePUupyCPsgyGu8RD0bm33HVJaQ6HZVcD8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )