UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pElF6dRWWZ2jRGNgNcXPz+LUfUQgmjmQ5lndnhbI8hU=' 
WHERE 
  key_id = '54a30978b9489bc82a94ad0371beb38e8c4fe20273b2c7c9277e36c68106f420' 
  AND (
    token = 'pElF6dRWWZ2jRGNgNcXPz+LUfUQgmjmQ5lndnhbI8hU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )