UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6siY6PVMT7xsujAwnaDnuGz6V7GYk8SAQbjlIXErBg0=' 
WHERE 
  key_id = '9e2ad764e14fac9ffb697db4c50f624fb523a6665cbd14b98a4bd4e18f175099' 
  AND (
    token = '6siY6PVMT7xsujAwnaDnuGz6V7GYk8SAQbjlIXErBg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )