UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wwl+K1maamLQzX5wShh8QrIKjQK7K2XDlFXkFYmtDyY=' 
WHERE 
  key_id = 'b7c50669b03900aff2a0098b95c386b868e22dbb073b5b444ffbceee6a8d9f42' 
  AND (
    token = 'Wwl+K1maamLQzX5wShh8QrIKjQK7K2XDlFXkFYmtDyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )