UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ptvs+9H3b45g6J9pUoAVP3xtKIfwNj0HpoK7kWPtWuA=' 
WHERE 
  key_id = 'a767404ef6ae7f5468d19e371796a40d26440efcf77fd0c9fbe6fa3055a4a642' 
  AND (
    token = 'ptvs+9H3b45g6J9pUoAVP3xtKIfwNj0HpoK7kWPtWuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022