UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6hACEofAHA5oxn6Tq3xCHum68ir7n+/eq2hvUzh2Ns=' 
WHERE 
  key_id = '76a4da05e18f244d3d16f535815e37a351b410b8abd9cbf1c0592302a4514bd1' 
  AND (
    token = 'U6hACEofAHA5oxn6Tq3xCHum68ir7n+/eq2hvUzh2Ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )