UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xF78ilh9b1h05+Xv+z++5z/5z9mrk05X7u7WXl4ezmg=' 
WHERE 
  key_id = 'b17c47b5087cb3e9f89738330bac3ff39282aa2613623006fb5067a395c3ecd1' 
  AND (
    token = 'xF78ilh9b1h05+Xv+z++5z/5z9mrk05X7u7WXl4ezmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043