UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ej9/x9T0dqB/cBHTK3YAkhMHUtCpyT+mScAiL+ZdDtk=' 
WHERE 
  key_id = '8a142971ba41f0d5c275a72e52f3f6a1efae4e8293c96c0499cbbf9cac717c3b' 
  AND (
    token = 'ej9/x9T0dqB/cBHTK3YAkhMHUtCpyT+mScAiL+ZdDtk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )