UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+HMVEHlr4SFWU74xOtASTmIdDYvfQqlZsSv39fnibZc=' 
WHERE 
  key_id = 'db6fb6e419bd8fbb352a0e05ad164eb631d5f54bb05f210c252e02e94344db74' 
  AND (
    token = '+HMVEHlr4SFWU74xOtASTmIdDYvfQqlZsSv39fnibZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )