UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G/dnEBKGvSEu0ck7oucMo3ny10sbpAWiK7QWywVAAG4=' 
WHERE 
  key_id = '6792ba49325eb5a270bffe2ab34b73301e9755583955a594cc0857d21a978734' 
  AND (
    token = 'G/dnEBKGvSEu0ck7oucMo3ny10sbpAWiK7QWywVAAG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )