UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gXojiIWfXT5RS8HQvc9nhNcNW0h95iK2EsUe5a3ixNw=' 
WHERE 
  key_id = 'f0975d7778c11fd3675a22b90e03f94d63ab3c72b6c76a1b2d8d1ee5bfda7429' 
  AND (
    token = 'gXojiIWfXT5RS8HQvc9nhNcNW0h95iK2EsUe5a3ixNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044