UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rU/MBzmMYgiXUbAXAlr3x/KsaMPcw/1uMIWfctiDCUE=' 
WHERE 
  key_id = 'e8a0049381d60b71d61cc67562e0f91f3db31ba3cb7df87b072260de4c3ec810' 
  AND (
    token = 'rU/MBzmMYgiXUbAXAlr3x/KsaMPcw/1uMIWfctiDCUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )