UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJreIo7QqtbRNEmaL393WLuMQczMabudh+OC7ye7SK0=' 
WHERE 
  key_id = '94e0560a3e2609188882b7da50b0f2eaf7f81c1a55f910bca998a56ad11b9746' 
  AND (
    token = 'MJreIo7QqtbRNEmaL393WLuMQczMabudh+OC7ye7SK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )