UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fMjrEk5IpfMohPvkcB9+ZHREqnSPW5T7jJh0/8Davg8=' 
WHERE 
  key_id = 'a4f4574e2db05e23f21bc2fa4e27d2e5ea0524f413af898c4f35e7f64feb1795' 
  AND (
    token = 'fMjrEk5IpfMohPvkcB9+ZHREqnSPW5T7jJh0/8Davg8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030