UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+nx1tjQ6ZSjCxs06Av78CLBxPccTVJi1pA69pe+q2cQ=' 
WHERE 
  key_id = '4850e8b931b90f2149f0906cc77dadc59b6af8e343b2ec5b9b022c8197edc559' 
  AND (
    token = '+nx1tjQ6ZSjCxs06Av78CLBxPccTVJi1pA69pe+q2cQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )