UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bk9ISmuABfMJMrnkj7eBU0xW7tPNrRqGd0pFPRkgXl0=' 
WHERE 
  key_id = 'eb79f66988a5e1bb88fceb7b9a3d5a572aed618270b211a6089473b07f79143b' 
  AND (
    token = 'Bk9ISmuABfMJMrnkj7eBU0xW7tPNrRqGd0pFPRkgXl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )