UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bV1qM9SgEOicW1pUG7X5xWbxYHg33CMfz8zIrOB6ppg=' 
WHERE 
  key_id = 'b4846c20dacb8e0eed8acd19f26431bb7a2481fd914f380c6bc1f084b1547397' 
  AND (
    token = 'bV1qM9SgEOicW1pUG7X5xWbxYHg33CMfz8zIrOB6ppg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )