UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PsM/LkCOVijKmZxW3ySJC3R5juwb1SefrbTkdO9+n9Y=' 
WHERE 
  key_id = '18cca164030f7ba47304b52dfd21c6662dbe3a256701576c2927db545ded7736' 
  AND (
    token = 'PsM/LkCOVijKmZxW3ySJC3R5juwb1SefrbTkdO9+n9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )