UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gu4+FI70Pj6W4yAwcP/hxaRV1paMIS5QQ5gq/Y/mgRc=' 
WHERE 
  key_id = '936ef783fc61d3c9a129f94125bec5c2f3662b0240c786782c245428fc923ff2' 
  AND (
    token = 'Gu4+FI70Pj6W4yAwcP/hxaRV1paMIS5QQ5gq/Y/mgRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )