UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5HxBZEbPd3i4WlplVWFPrs0O3yofkPGR8ht8AAmR6ag=' 
WHERE 
  key_id = '2126b25608e7c11ee125e945b369c7d1250901047787cac3d14d1b57ff165eef' 
  AND (
    token = '5HxBZEbPd3i4WlplVWFPrs0O3yofkPGR8ht8AAmR6ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )