UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BLjg3Aed+uiqThIcVs5R0d7A537+5rtmWWa8Or2DJlo=' 
WHERE 
  key_id = '5339d861e33f396b5f4d11b34c18eeac7c15d29da979c80650abc0d4d0a87738' 
  AND (
    token = 'BLjg3Aed+uiqThIcVs5R0d7A537+5rtmWWa8Or2DJlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )