UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k51G3WDp3xgFEl1x5TZJFUwOTrFNHdlCJyREh0LXyAY=' 
WHERE 
  key_id = '70eaed29908dab5e7c77bdb3ffbdb97093f018e494163b5c6fd07ff216d77d1f' 
  AND (
    token = 'k51G3WDp3xgFEl1x5TZJFUwOTrFNHdlCJyREh0LXyAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )