UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M5tvOEqVcHy5tNgX7pTXCtKA2c3SBF0ek5yr7laY9ks=' 
WHERE 
  key_id = '4f1621da170ecba3711f0638f0354d54197944b942b5e6888b892520fa755e43' 
  AND (
    token = 'M5tvOEqVcHy5tNgX7pTXCtKA2c3SBF0ek5yr7laY9ks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )