UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '795EY8pviNg+k9Mu1seOMgzop9EFMz/arJEwUBijIBc=' 
WHERE 
  key_id = '09b65666fb4f113fba7f2143cf2c31026b03a029d90461502181d3094d8bfc92' 
  AND (
    token = '795EY8pviNg+k9Mu1seOMgzop9EFMz/arJEwUBijIBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021