UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kn04fPS2TaED1oqo+xqRax5BWmjAoFbt7NgocBNid7c=' 
WHERE 
  key_id = '31b2c8f1870a2833158025d85a737abdd7131af222d81a1d412c7fb383e7c34c' 
  AND (
    token = 'Kn04fPS2TaED1oqo+xqRax5BWmjAoFbt7NgocBNid7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )