UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkE43mh2mlEPdP+qZIbruUBF3aaKozikQQSXx3WIft0=' 
WHERE 
  key_id = '91b52b92235161e291b2ef76b68c2960b4b4ae4ae7cd9418b3b1157318ec6420' 
  AND (
    token = 'PkE43mh2mlEPdP+qZIbruUBF3aaKozikQQSXx3WIft0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )