UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XbchP+fHTcXxtSiKaRRMSxvrGrLH1htwBk3vbo972GU=' 
WHERE 
  key_id = '51f3dd6529aa7bd83336ccf1b2ef892b68179c75d04924f66c3bf96071ad76ce' 
  AND (
    token = 'XbchP+fHTcXxtSiKaRRMSxvrGrLH1htwBk3vbo972GU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )