UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fKx2jqUb8Bfw9d1shrzlMx5CVGYUKd/K0GSxOeadBE0=' 
WHERE 
  key_id = '50603433afb4eb351efbc7b8f9ebdb4ba83615e851ac4cf1c75c7bcfaed63ffd' 
  AND (
    token = 'fKx2jqUb8Bfw9d1shrzlMx5CVGYUKd/K0GSxOeadBE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )