UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CEx5IDTtErqbiOvsucCFb0iMss23FQzgddER94VLaC0=' 
WHERE 
  key_id = '8f4ec3c66b25083a0f88678c21fcbd239a6efef49d79279b11d7259c091e14c8' 
  AND (
    token = 'CEx5IDTtErqbiOvsucCFb0iMss23FQzgddER94VLaC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )