UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nTpWIU2q8+2swIUVbhEEvGTfvd1tClN1DK52CB9n4TI=' 
WHERE 
  key_id = '839849e87e343a6f3ba8195d41241f8a50d33d8f66e1b4d92a5c51b55d949039' 
  AND (
    token = 'nTpWIU2q8+2swIUVbhEEvGTfvd1tClN1DK52CB9n4TI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )