UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V9rulLWvYqfd0tya3ExVORwrf8pxxFtp7VJnHyQiR3w=' 
WHERE 
  key_id = '4ff6046d24a0e8d72b0904f8fc58968b206e1df7cfb7bc5b8e33731e3174ad7c' 
  AND (
    token = 'V9rulLWvYqfd0tya3ExVORwrf8pxxFtp7VJnHyQiR3w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )