UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKMbTlEx/qWsA5cjMWbIKdUtdur3+r4mwRCIo3kfxpg=' 
WHERE 
  key_id = '7a18b0834db1402005841b502b5fdd3cbafb23d60b61f761c198c84d1608ee7b' 
  AND (
    token = 'nKMbTlEx/qWsA5cjMWbIKdUtdur3+r4mwRCIo3kfxpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )