UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+p2M96PqQLrWi2LYmurwWgl3sH+9tBKMY+gAadi1QBE=' 
WHERE 
  key_id = 'c681f20a1f1adbee2d570f6c44c2f5f09f8e98e0da200fa4f9ff31687fd35497' 
  AND (
    token = '+p2M96PqQLrWi2LYmurwWgl3sH+9tBKMY+gAadi1QBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )