UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'jz4JJFxzpQeoDePEXgYu2F/GL6kkWHovZp6duTS+TXA=' 
WHERE 
  key_id = 'a84250496ba7b42bf1fa493058041380e8b4b977fcd48b87630aefc3f08e14d5' 
  AND (
    token = 'jz4JJFxzpQeoDePEXgYu2F/GL6kkWHovZp6duTS+TXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )