UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLT2anUitX07sx2H4yvnRmhX9Pyfg4Nm9/n+sd/FKUY=' 
WHERE 
  key_id = '303cfbe8800640dca5f77b2f1ae3a41398553af5169f688f4b58032a31aabb90' 
  AND (
    token = 'gLT2anUitX07sx2H4yvnRmhX9Pyfg4Nm9/n+sd/FKUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )