UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x2mDOGdTG6noKzHdsndC7LprHwbqERak/dwtooC+ze4=' 
WHERE 
  key_id = '5350e29fcb25c6accd24ee5984daccb65bcddb87d09587ffc05476e0438e34a3' 
  AND (
    token = 'x2mDOGdTG6noKzHdsndC7LprHwbqERak/dwtooC+ze4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )