UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kpg/CHS0lAy0cdFe8pJI4egrq96oXR9VMJDfVo8bAmU=' 
WHERE 
  key_id = 'db71f3d0f8a0c0f6c56543d9cad3eb3cfb7300909434093c0282ef6fb6b8230f' 
  AND (
    token = 'kpg/CHS0lAy0cdFe8pJI4egrq96oXR9VMJDfVo8bAmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031