UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RU0HjFSWH8pr1Fj3TypDVpxny+wdu8OzuPj/ERb+cSw=' 
WHERE 
  key_id = '30c8a4ff3240ff153abb48f079025a728fcd8d6ed67ab8a0f34b34dea34f1c9a' 
  AND (
    token = 'RU0HjFSWH8pr1Fj3TypDVpxny+wdu8OzuPj/ERb+cSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027