UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QtJBivqONa79aCKGHRObRKXa8sSBFdWmYXgiKyaDNE4=' 
WHERE 
  key_id = '138bbb056ef09b09c31fc535b14175866778365a0a37e2837bcba2418c4aa9e4' 
  AND (
    token = 'QtJBivqONa79aCKGHRObRKXa8sSBFdWmYXgiKyaDNE4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )