UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z4l8+AiMswvtEEWNQW8O+xGU9kj4dbu89Jn/zKvftAg=' 
WHERE 
  key_id = 'c21d49d9a5a2e7a47ac427c3b7c7d6cd0539a4a0eb329be274b320c9af055ad5' 
  AND (
    token = 'Z4l8+AiMswvtEEWNQW8O+xGU9kj4dbu89Jn/zKvftAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )