UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLmkyaa0pPky+ucGPHweuDTT5N503VJcYs61l9xpQvE=' 
WHERE 
  key_id = '3a47f64430fbb53742b0c3b557a243a752a3cceca206b77be9e40782df7fb5af' 
  AND (
    token = 'MLmkyaa0pPky+ucGPHweuDTT5N503VJcYs61l9xpQvE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )