UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rb5jcBbdFMvdqffxNqdf7KFCgSfsVpGJYdrr2AUagqc=' 
WHERE 
  key_id = '6dfa6d595942d55fbda62e75b72780b45e83e95dc583ea7d6fcc4e4d4937d41a' 
  AND (
    token = 'rb5jcBbdFMvdqffxNqdf7KFCgSfsVpGJYdrr2AUagqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )