UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'brJ2n/K8yuWYx3uvphP6BXjKZLICCLlvrhN7o9CyajA=' 
WHERE 
  key_id = '767d854c47df092f71a0c1c4d17f7feb355a2431b95110db509e10bb8e79cc9b' 
  AND (
    token = 'brJ2n/K8yuWYx3uvphP6BXjKZLICCLlvrhN7o9CyajA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )