UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51MWJQ0ydEwolK4F74iMzVClu2ZkoFgjalUug/TKz88=' 
WHERE 
  key_id = 'b42b1c16249792d858270ee1057ea127e68bfd731deacb69db7070c30bc25132' 
  AND (
    token = '51MWJQ0ydEwolK4F74iMzVClu2ZkoFgjalUug/TKz88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )