UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lb4PoLmuehfOSz4Lk2kTidzPwDPrfPAhH7loB3IBnY=' 
WHERE 
  key_id = '46b74e275f420377d6e8dd102bec2eb43102958ca198112767ac9ac413ef27c8' 
  AND (
    token = '6lb4PoLmuehfOSz4Lk2kTidzPwDPrfPAhH7loB3IBnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )