UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0PGuYBV5J1Tn9BPJYzk0XFtg9vVQW7pghrWGHmhtO+Y=' 
WHERE 
  key_id = '75f17ca305e31060469f30527edc647f55bc12f4cb6000f9d0d5a765df096e90' 
  AND (
    token = '0PGuYBV5J1Tn9BPJYzk0XFtg9vVQW7pghrWGHmhtO+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )