UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ryk6vGja9uRB5XwNLD6Hmuvc3skoSZGwR6eilc2L+BY=' 
WHERE 
  key_id = '8ac694224d9524526b7d333717bf66d74315316645da8ca6c807d269099d183f' 
  AND (
    token = 'ryk6vGja9uRB5XwNLD6Hmuvc3skoSZGwR6eilc2L+BY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )