UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vu3cvVGrLUYK5Iq2woJniY0Hr9TxlBrsQowgQepeNck=' 
WHERE 
  key_id = '6b2a847ee0736380569d0058cdcfe8577bed73e3f3a9bba74696ca2ebcb1bd4e' 
  AND (
    token = 'Vu3cvVGrLUYK5Iq2woJniY0Hr9TxlBrsQowgQepeNck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )