UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0T91vj4/a9qSRguijirLCwB0wYQZmd6DIgFVPAIvMK0=' 
WHERE 
  key_id = '6df99972f67a0de4c021ce65d112da07a8084efcf054f6b7cd04bafac93f4618' 
  AND (
    token = '0T91vj4/a9qSRguijirLCwB0wYQZmd6DIgFVPAIvMK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )