UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QNrAy9iXOXxEFXjwFHAiSL3/dgXfSc12HgyC9abu/Js=' 
WHERE 
  key_id = '4cea67a43038986b13a54cbdf6cba0f29d8893ce0923b90598d8f62355872d42' 
  AND (
    token = 'QNrAy9iXOXxEFXjwFHAiSL3/dgXfSc12HgyC9abu/Js=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )