UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n68P0bJEjGdA1vNEmN7eKO6y36BKFq4XZjRaO6KN+/s=' 
WHERE 
  key_id = 'c1439e7327baaacdb7eb617402758a4150314d1a8483761359a33098e47ff8f6' 
  AND (
    token = 'n68P0bJEjGdA1vNEmN7eKO6y36BKFq4XZjRaO6KN+/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )