UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bfMSkNp5g8tzhxv7LDHTINz9MwteYXKaOzTHjGyehIg=' 
WHERE 
  key_id = '976cb1a2c4533d306ec9945256c496e73f2874631a4b36c411a860fe1323d185' 
  AND (
    token = 'bfMSkNp5g8tzhxv7LDHTINz9MwteYXKaOzTHjGyehIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )