UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2cb5cFml2/IbhKkJCiGMqNhpasn1ffTx1sU5Sb7InoE=' 
WHERE 
  key_id = '2a8b4d6b833e5a4d722072024853d67ef0ffa79197637f824ed6227ea9f09d2a' 
  AND (
    token = '2cb5cFml2/IbhKkJCiGMqNhpasn1ffTx1sU5Sb7InoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )