UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GNl7CMMDrE8Cs/bthkbNO9dCY/XJErvKBUKtsFeUwNI=' 
WHERE 
  key_id = '8fc6597f9d1658c76e9ddc9ed451be2feab978724469427581cc0e8a1be88d33' 
  AND (
    token = 'GNl7CMMDrE8Cs/bthkbNO9dCY/XJErvKBUKtsFeUwNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )