UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R71D1M9ag94AyB5Zl6FCJAXj59zTgabDCt69GdYDG7I=' 
WHERE 
  key_id = '27df08acaa6504cf3ac5eccb050be1f424332d8235e65f7e0b6ece0dd296b031' 
  AND (
    token = 'R71D1M9ag94AyB5Zl6FCJAXj59zTgabDCt69GdYDG7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )