UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unSc0KMFt0ydQyjF7juqHtiDZwae++evOGFiNoiio5o=' 
WHERE 
  key_id = '264144b6eba0e24425021f979ee5360a07c65c2a45c206b890726cdfc403b281' 
  AND (
    token = 'unSc0KMFt0ydQyjF7juqHtiDZwae++evOGFiNoiio5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )