UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8QiojtM6fk+6W/zz6pHqIDy5X2m/vXYFFCGw5LrUHM=' 
WHERE 
  key_id = 'a761704d4ba99e3701fb629f62501d511c00948b05f807acee67369a8755c921' 
  AND (
    token = 'k8QiojtM6fk+6W/zz6pHqIDy5X2m/vXYFFCGw5LrUHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )