UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYiL0SOvJWMx0wMVuUeX42Rw0wyWFHpj4/uokEulRCU=' 
WHERE 
  key_id = '4b57ce3cf4abe1bfe395230fa12a7f721ccc89a212641ce410a5e1d70c13fb16' 
  AND (
    token = 'MYiL0SOvJWMx0wMVuUeX42Rw0wyWFHpj4/uokEulRCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )