UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gQYeGcP0vLBhfKd7j6LygpADijo6rp9Ct05eRwA7fYg=' 
WHERE 
  key_id = '5384fca962dd93c511fca0e526c06bbf6c6289d2b8af74bb6e485dbdc423bad2' 
  AND (
    token = 'gQYeGcP0vLBhfKd7j6LygpADijo6rp9Ct05eRwA7fYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029