UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vVitBM+YtelWtLndUqEl4/pIQmxdJHor9CFTUYRa0ns=' 
WHERE 
  key_id = '6e874c87d88650dab6bfc518a207d34028cede43a794e68c3ee0b3e7636fc523' 
  AND (
    token = 'vVitBM+YtelWtLndUqEl4/pIQmxdJHor9CFTUYRa0ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )