UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gk4rbvQX4HshbUvwy8UpQSRHl1sHV8U8dm8u04BIjC0=' 
WHERE 
  key_id = '832b561515754232684dee9aae4975ab2fb845bbb16ea058959e543983a6e5c5' 
  AND (
    token = 'gk4rbvQX4HshbUvwy8UpQSRHl1sHV8U8dm8u04BIjC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )