UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Zq8kNFoitOG0uN5IwtjuNklaBrSwZEn9buW0tiDyMg=' 
WHERE 
  key_id = '7916d82e696561e85ff420da3a16fb0ada078c6a54da62611c8d1af73fbff701' 
  AND (
    token = '4Zq8kNFoitOG0uN5IwtjuNklaBrSwZEn9buW0tiDyMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )