UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MvnbjPtZ32sGtU7NuZzcNvqMFCnhd6qw5sAOOYeDh64=' 
WHERE 
  key_id = '90e7c4198beaadc2910d297c65390cbb8752c1783506c6499055d406156db5e4' 
  AND (
    token = 'MvnbjPtZ32sGtU7NuZzcNvqMFCnhd6qw5sAOOYeDh64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )