UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0ekX2Rvi+kDqyqmgq0E5EZb807ElKuLUONmRs0GbSsU=' 
WHERE 
  key_id = '8516cd61532a6afa49b29089494c92435a08aba03033aee8bd8a41363db46354' 
  AND (
    token = '0ekX2Rvi+kDqyqmgq0E5EZb807ElKuLUONmRs0GbSsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )