UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a02oqGpkQ9BGwYtS2fk1zygj8cjnekybqvvhJMrhUrU=' 
WHERE 
  key_id = '53512bfbd283edf716b15eabf823473bbf98ceb7088a201c66ea0dc9299d27ef' 
  AND (
    token = 'a02oqGpkQ9BGwYtS2fk1zygj8cjnekybqvvhJMrhUrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )