UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKaXbm6eXL3ZNaqDgyCC4Eh87oECEhJxh27tb+2EspQ=' 
WHERE 
  key_id = '51204082d1b3ff912051bcc349a9594a71b69f52a477ccce3d1fc547d254fa9e' 
  AND (
    token = 'RKaXbm6eXL3ZNaqDgyCC4Eh87oECEhJxh27tb+2EspQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )