UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8ok0+uRNw6QiJ7r6+ZB/hizq5ynM6qgwdlJKLU9Ocgc=' 
WHERE 
  key_id = '938e376039f107b7e7da0e22ae074f1fc717062250a217658a5188778cd31d68' 
  AND (
    token = '8ok0+uRNw6QiJ7r6+ZB/hizq5ynM6qgwdlJKLU9Ocgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )