UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BPUusculQRaBvGURKUQLZPjzI3NGEGiSc1lq4MVE49s=' 
WHERE 
  key_id = '8d2b335075ecc658b148a6f8f2ac08e535da1f0adcbc147136b2e9f998340fb2' 
  AND (
    token = 'BPUusculQRaBvGURKUQLZPjzI3NGEGiSc1lq4MVE49s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )