UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '308EzvOGFUTeIeKLlFiZvoNu+CcY1xKxp0J8ZU8JuYY=' 
WHERE 
  key_id = '94a8fcdfdf8d5437031730dcc2d436554771702885a683fe9701b79b5989d561' 
  AND (
    token = '308EzvOGFUTeIeKLlFiZvoNu+CcY1xKxp0J8ZU8JuYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )