UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hvb96Dqh0Z2Ue2aC458SQ5uwqWek4E2kKrXhhcEddAo=' 
WHERE 
  key_id = '4ac2c35a939796482caddcc390378a2a72f48272014adc7cb9da6889fd944558' 
  AND (
    token = 'Hvb96Dqh0Z2Ue2aC458SQ5uwqWek4E2kKrXhhcEddAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )