UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMhlsXv7JHrUtYQi/xsFWRAyWGbknicjwS4u4VBiWnc=' 
WHERE 
  key_id = '6f638a723d54664ecccdac8c9a49868136fe93fa9bb131a53a01ef2ec45a77d9' 
  AND (
    token = 'mMhlsXv7JHrUtYQi/xsFWRAyWGbknicjwS4u4VBiWnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )