UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRk50aZhxBYNVhlFzAm9AG1RrSMadO7wZdnGGdlI/Gk=' 
WHERE 
  key_id = '8f42ff56ff1311659faf40b52463ea504632a78748031f0d0d6942d867e427f9' 
  AND (
    token = 'QRk50aZhxBYNVhlFzAm9AG1RrSMadO7wZdnGGdlI/Gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )