UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRt2q5+F3FiUgZUFLqW2TDzoZCPxXKr60md7p24BGA0=' 
WHERE 
  key_id = '4543ee6df17488250f8b4b9082c7b0f5a53fb64f9980de176af09be670b78fe4' 
  AND (
    token = 'QRt2q5+F3FiUgZUFLqW2TDzoZCPxXKr60md7p24BGA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )