UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mmkG9mFtWTvAsK2Xg46gEW5W2zkSfxvLbxiM6zcp5kQ=' 
WHERE 
  key_id = '935cdc455b852b1e97f9f650d7e0988670af3dead0a6c2bc1f99c4c17eb67386' 
  AND (
    token = 'mmkG9mFtWTvAsK2Xg46gEW5W2zkSfxvLbxiM6zcp5kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )