UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6uwaiSO1ld7o8aRwzrHiVl586NOV1O/2M8tPq1H4Azc=' 
WHERE 
  key_id = '6a8823ed5b022c8e06a118b13d197d8818ee79fb21c4f5501ab86666ec24a091' 
  AND (
    token = '6uwaiSO1ld7o8aRwzrHiVl586NOV1O/2M8tPq1H4Azc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )