UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mB3vHuZIWBNuLsffwRgrIqm738bung7bVnCdzr3tyHg=' 
WHERE 
  key_id = '6eb40ab6af1c586253f18539530b2d7538c2d44bf761ad1df01fc05d4a5695dc' 
  AND (
    token = 'mB3vHuZIWBNuLsffwRgrIqm738bung7bVnCdzr3tyHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )