UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gnerGvbhV7ydZCUY2r1TaJ6YwyDDDO/OEbRbwFMbIvA=' 
WHERE 
  key_id = '16f8ac848591338aaefd846362c8a7be6482c280a3cdbabc636e4d2a28806367' 
  AND (
    token = 'gnerGvbhV7ydZCUY2r1TaJ6YwyDDDO/OEbRbwFMbIvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )