UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z0LrVzBmO45uFLoRmF7XBW8ud9up6I//z1/w3y2ufcM=' 
WHERE 
  key_id = '99d831846bd7a2fb776c3163aab2502969127529a38291d89df69a1fb97666e2' 
  AND (
    token = 'z0LrVzBmO45uFLoRmF7XBW8ud9up6I//z1/w3y2ufcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )