UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iRHKnpO5sM7ulgmgj9NE9DLXpRpKPkEAEbal0cf5DyM=' 
WHERE 
  key_id = '8e043abe49586d87a28b9dbd2ba848645293c79fcbccb84768f71044ad3afb84' 
  AND (
    token = 'iRHKnpO5sM7ulgmgj9NE9DLXpRpKPkEAEbal0cf5DyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )