UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gs91U7cLn3Ohin8an8KRuqVyQiezUB+0u/Z2CLJEybM=' 
WHERE 
  key_id = '6c7f8f029dabb25b8a63a16b4fc7b3f86fe3a529a9b3fbdf04ad395bce7373c4' 
  AND (
    token = 'Gs91U7cLn3Ohin8an8KRuqVyQiezUB+0u/Z2CLJEybM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )