UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gexIc9vS8IwbWEIgiYEsF/z01l1lKNE0UjMktAXsMQs=' 
WHERE 
  key_id = '6468edf13e2d9cb1996c05ce5354f7a5d7c96d73971c5beca311c5b5b3e7812b' 
  AND (
    token = 'gexIc9vS8IwbWEIgiYEsF/z01l1lKNE0UjMktAXsMQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )