UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gx2dOWVoUFI8XXdSNMmGOmpmISQfrZBEEiqz9Jlf9zM=' 
WHERE 
  key_id = '1f0c9d9a92cf87f75d051e4bd0f3aed21cc269f68c53ca8c913597e424b26833' 
  AND (
    token = 'gx2dOWVoUFI8XXdSNMmGOmpmISQfrZBEEiqz9Jlf9zM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036