UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BNtu9wmlnWzPrVci4LlDVqwCT1OqebigHqRBG0Ygepk=' 
WHERE 
  key_id = '30393d2e2397645eba72b4b9f7df54bb70deb36463dd11c0c105adba1343db19' 
  AND (
    token = 'BNtu9wmlnWzPrVci4LlDVqwCT1OqebigHqRBG0Ygepk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )