UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKm6LyI4ZpitLGp1GF517bMRVmdgxqZzk1W9SMIak9M=' 
WHERE 
  key_id = '20d9a737daee4aa762389428ced07e7ad119d838666533661ccf473a2cefd6b2' 
  AND (
    token = 'QKm6LyI4ZpitLGp1GF517bMRVmdgxqZzk1W9SMIak9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )