UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCgzGfmV7PJq450nVHD4xUMIs+VxlU0y5VWtMsuPFIg=' 
WHERE 
  key_id = '6f53aab2164b44ef0ee94cd85c31e6544ce0e1d4415c48c418a63b7153a8fead' 
  AND (
    token = 'PCgzGfmV7PJq450nVHD4xUMIs+VxlU0y5VWtMsuPFIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )