UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6c6krlh9xzVfRlPiuZ77Fw47AmzzpVxykKeu5nQfvfs=' 
WHERE 
  key_id = 'a9253c82c27164fa915b8c2dcbf36a1b3115a71b3fec099dee03351319cf87b5' 
  AND (
    token = '6c6krlh9xzVfRlPiuZ77Fw47AmzzpVxykKeu5nQfvfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022