UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2IMG/1tMKdTGuxAXb1wctlrjK1LiHnXrcsNbbE5tvw=' 
WHERE 
  key_id = '6c1183c5d9d1bf019991497621a6aa0076448d172a6da748a878925cbce24232' 
  AND (
    token = 'n2IMG/1tMKdTGuxAXb1wctlrjK1LiHnXrcsNbbE5tvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )