UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PjxNnw4vS4jxqwvDIZ9wVdSwdr8AYuvp6BCbBHOvjqo=' 
WHERE 
  key_id = '8e306bf95fd9d7f06ab6efdf741b89d269eb40d42b6d44b08e067554f6689d4c' 
  AND (
    token = 'PjxNnw4vS4jxqwvDIZ9wVdSwdr8AYuvp6BCbBHOvjqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )