UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sL6NYJBZLLxcjxX0jfxmHo0GhyqBnoKPUVWAVv+dD3c=' 
WHERE 
  key_id = 'c0ebef0612b3e3182eaad0aeecd25628ac08cead0242146d6730c68e53dff284' 
  AND (
    token = 'sL6NYJBZLLxcjxX0jfxmHo0GhyqBnoKPUVWAVv+dD3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035