UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dMCwifrqHZw8UsLUbqDXYOLN1b5bxtWl2INlNkB9Vys=' 
WHERE 
  key_id = '831fd18d910f0f79abca79a1bb657d380098abebdf4876001f699bea696761c3' 
  AND (
    token = 'dMCwifrqHZw8UsLUbqDXYOLN1b5bxtWl2INlNkB9Vys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )