UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5szym+U1CuWsbxBzLUpMXWTw/TZb9qoB6x66Dlk6C4I=' 
WHERE 
  key_id = '8a4850725ed9237914a5d7fb519816391c24b83a03918a1a1f6859fb8febcbd9' 
  AND (
    token = '5szym+U1CuWsbxBzLUpMXWTw/TZb9qoB6x66Dlk6C4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )