UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEwXJuGcvq+Jel+TyTKHUB6jshfnTvAJojOmyDq4dYA=' 
WHERE 
  key_id = '6b91f4d75ace9cb87ee327289157f2f3ad5d4850cd060fc18f1a28638b88239c' 
  AND (
    token = 'nEwXJuGcvq+Jel+TyTKHUB6jshfnTvAJojOmyDq4dYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )