UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/imOr7w29XuswgEbTIVGr1IdEDFkSWXzXnJD0UpTpso=' 
WHERE 
  key_id = 'a5c2559efca8bd108da5c0534789332d93f77d6b196b743a7345e4c899c20cac' 
  AND (
    token = '/imOr7w29XuswgEbTIVGr1IdEDFkSWXzXnJD0UpTpso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )