UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ELKNWZhtudbjLYgfYuoUZDbZzqhv3FHYtdu/mv83pjo=' 
WHERE 
  key_id = '52671cede70cc2c92c7f2e1736eb785afd2ec4f1c53d7892790ae1a080d20088' 
  AND (
    token = 'ELKNWZhtudbjLYgfYuoUZDbZzqhv3FHYtdu/mv83pjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051