UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'smh6UZjba1Y3Rj0EFSBT3anqmDwlxZgeCyzbqRRCexI=' 
WHERE 
  key_id = '9612bfa32f049d20d1d8dc9ad3ec12237726c2b4f01605162b3ffb869d5012c9' 
  AND (
    token = 'smh6UZjba1Y3Rj0EFSBT3anqmDwlxZgeCyzbqRRCexI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )