UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZydGYKiIWyKqWy+3yZ8VJkmDRNoQ2aWfrRc2y2eW/zA=' 
WHERE 
  key_id = 'c6a15bb0d041ca86c09f0a1eb5f9fece9d379df5a68d3d938e1c1655e4acd2f0' 
  AND (
    token = 'ZydGYKiIWyKqWy+3yZ8VJkmDRNoQ2aWfrRc2y2eW/zA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )