UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v2Cj5wd3P9+6VojSt80Gexqs7MFUgWtQZtVUD0AifX4=' 
WHERE 
  key_id = '2b947946d03c8b004fceee925d2864434cb160d6896cbc226dc15cf57f2da4e1' 
  AND (
    token = 'v2Cj5wd3P9+6VojSt80Gexqs7MFUgWtQZtVUD0AifX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )