UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEujnOtHLXnbGCPZz24rPQ98wy1pelgKANJcqbkrdQE=' 
WHERE 
  key_id = 'b255138bce2e64ca613d8353199291d57891498f131cb9953366c896b3bdb704' 
  AND (
    token = 'nEujnOtHLXnbGCPZz24rPQ98wy1pelgKANJcqbkrdQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )