UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fM8m9AYiolnLd48c1eYMlFCNguxofyvcWLrbd0H9M5k=' 
WHERE 
  key_id = '51c3aed81b78a2caea367e9667884e2d5cf88a256058da79ca05f3b47edbe273' 
  AND (
    token = 'fM8m9AYiolnLd48c1eYMlFCNguxofyvcWLrbd0H9M5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )