UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxQjIA6jTKCdyqyDBeY8BokvAaqU2dpMgnptpE+6vdo=' 
WHERE 
  key_id = '119f2f4543aed57422c5d8e8ab4a76373d9a877341b283cbac9b69a28ab1eef2' 
  AND (
    token = 'gxQjIA6jTKCdyqyDBeY8BokvAaqU2dpMgnptpE+6vdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038