UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xtmT5fnyG6Ez4mJPZXJxUShRjyyQLhkdd2T3cgMLumQ=' 
WHERE 
  key_id = '8bdb42c6ff5d5254fd467083a198593f1b87fed3398f768846453a59a27216d8' 
  AND (
    token = 'xtmT5fnyG6Ez4mJPZXJxUShRjyyQLhkdd2T3cgMLumQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )