UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79EazMLXXj33N11pbnuXmA6rGBkD9pXjeVolMctJWoU=' 
WHERE 
  key_id = '28e8666af52c09417b6ca683b4e0be41d4b5ef9fdab038ee9029a78302c70688' 
  AND (
    token = '79EazMLXXj33N11pbnuXmA6rGBkD9pXjeVolMctJWoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )