UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'km2HIlzYtOwMi4NYZxgCPea5gLcR6csfKefzivwA2I8=' 
WHERE 
  key_id = 'b5016731c94076093749d4a02717be11799cea262ac454817ffc7eaf8f2febd3' 
  AND (
    token = 'km2HIlzYtOwMi4NYZxgCPea5gLcR6csfKefzivwA2I8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )