UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plexGQh+0hrMSX0/gnuuzuBXQIEsvLmIV9m+ha15WvM=' 
WHERE 
  key_id = '502b8e3e24343fd64c9cb51e6ce28a8f14c83925a0eee6fd47be2ab20f122355' 
  AND (
    token = 'plexGQh+0hrMSX0/gnuuzuBXQIEsvLmIV9m+ha15WvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )