UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'ofkKUvXZShTKPjw9tm4LI/Qg6fXnpf0ymDMQul46HG0=' 
WHERE 
  key_id = 'ef7a14805d632e9a533e8bcf6c745b03d6bc42f0269030cb482665374fd98fe9' 
  AND (
    token = 'ofkKUvXZShTKPjw9tm4LI/Qg6fXnpf0ymDMQul46HG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )