UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6zU3dVc1aYJ/pF5REVIZsNXV4GEalDycMOY/vq9k9k=' 
WHERE 
  key_id = '4ec9f8acfc10916301d3c1eb5b07c437bf68833526481d60359f9c0b54c8aa7d' 
  AND (
    token = 'i6zU3dVc1aYJ/pF5REVIZsNXV4GEalDycMOY/vq9k9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )