UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'egcRx8ixzS8P1G52kxpf59uyvp3WkXrFXvT9gmbn4ZE=' 
WHERE 
  key_id = '6fff3ea115878afc6286ddac4d817218ed248b8c3847dea217323d5f0e503246' 
  AND (
    token = 'egcRx8ixzS8P1G52kxpf59uyvp3WkXrFXvT9gmbn4ZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )