UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b4za1IN9rZCg437IT6E9FHJaGO9Pxpqn1p8YGlaoHec=' 
WHERE 
  key_id = 'a4e98dcdd840ed22bebe0fafc59209dafa5b55a03759bd90dbe256eb5a319288' 
  AND (
    token = 'b4za1IN9rZCg437IT6E9FHJaGO9Pxpqn1p8YGlaoHec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )