UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZKmxaIHa/XU2YxaA9P5uQlbWILKv4YinF8UfOvNsDs=' 
WHERE 
  key_id = '203f78b053ab450470b55396c04befda6783674c39497e4c2b522beaf26961a3' 
  AND (
    token = 'yZKmxaIHa/XU2YxaA9P5uQlbWILKv4YinF8UfOvNsDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )