UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZRjxo1pymPGn8nNNxv31dfBXmbdjYkxsy0F0gUblM6k=' 
WHERE 
  key_id = '4c39a1a5e8787628243cfac7c7d433e25de30520a83c4b9293d867dc64b04136' 
  AND (
    token = 'ZRjxo1pymPGn8nNNxv31dfBXmbdjYkxsy0F0gUblM6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )