UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cwK3oTxfdb1ZJGC/P8r8bRfbOkT8zlX+PZPnQXoFgJs=' 
WHERE 
  key_id = '2138f8b1dd543013d0cfde61a17b2de12ba16f119fbebb430a872b3846779b4c' 
  AND (
    token = 'cwK3oTxfdb1ZJGC/P8r8bRfbOkT8zlX+PZPnQXoFgJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )