UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6nWWQx6gerVJ/GDC2SwvkqZ6DOEqncMhX3uqM0I0bY=' 
WHERE 
  key_id = '4bd7738e75cfc8fa13e03bab758891a158f7ce825d8a232b3ecf73c47ecfba13' 
  AND (
    token = 'Z6nWWQx6gerVJ/GDC2SwvkqZ6DOEqncMhX3uqM0I0bY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )