UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qaTV7gy76H6ClcKti7aYLI5HP2QWj8+BcsJAHctt6c8=' 
WHERE 
  key_id = 'd5df89f036f4de7398a9d6679ac3f39a46d44d8acc534d2c3d5f0780623128f2' 
  AND (
    token = 'qaTV7gy76H6ClcKti7aYLI5HP2QWj8+BcsJAHctt6c8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042