UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/UAh5mjxi9UXti+84xThAS/EChctpZbDDKUJJUykUAU=' 
WHERE 
  key_id = 'c6e5b87fca0c68a23e787d1473d772ca843174f8383d92a91c88b496505cde14' 
  AND (
    token = '/UAh5mjxi9UXti+84xThAS/EChctpZbDDKUJJUykUAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )