UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMRkWjTFrDDUy5ffQnRyfO6QOj6qlprE5CdPs5hA2+8=' 
WHERE 
  key_id = 'c81ee2ca54c2329846178dccad736973b766fa982dd74a9bbb29e5d32d587fea' 
  AND (
    token = 'pMRkWjTFrDDUy5ffQnRyfO6QOj6qlprE5CdPs5hA2+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )