UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQGYxP3a49wkOY4CBD5cvkuz4nmp23fdRYQ0lliZGDs=' 
WHERE 
  key_id = '24ed70f0536e21d1ee3abe2518b2b5ed49dbe0b9854a4f7b1cfd552e2510322d' 
  AND (
    token = 'xQGYxP3a49wkOY4CBD5cvkuz4nmp23fdRYQ0lliZGDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027