UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F7H8GKdF2HZ35tPqEnk3Ao6qDKExwSPg7kZoGmsQnoU=' 
WHERE 
  key_id = '494d4b1d79de1e085b89d62918e63d320f2c087e98e6ef99413a136689348e34' 
  AND (
    token = 'F7H8GKdF2HZ35tPqEnk3Ao6qDKExwSPg7kZoGmsQnoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )