UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JQ8/N1AUUdVkoP0FU5Br+an6k+1yZeY0Z+Ro+KrFb6E=' 
WHERE 
  key_id = '2a875c1f6ce1c0ad9016be310de1455be476eaab19c65c38e98cbad639aeb3f1' 
  AND (
    token = 'JQ8/N1AUUdVkoP0FU5Br+an6k+1yZeY0Z+Ro+KrFb6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )