UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rfi7wkdnRNj8HENF0olT2Cks+cRpXpbUkapLK9JAk/k=' 
WHERE 
  key_id = 'a8bd819647c29ef01249451c83ef12bedec321627ae04035542628f95b6b9558' 
  AND (
    token = 'Rfi7wkdnRNj8HENF0olT2Cks+cRpXpbUkapLK9JAk/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )