UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93TMSpv+HYvO0wLuE80swTp7i+2b9y0DzcVJAzfNIR0=' 
WHERE 
  key_id = 'a6829ee69004407ae008768a5b6b039ed7996cc96952475cfff3e8faa1d8d6bb' 
  AND (
    token = '93TMSpv+HYvO0wLuE80swTp7i+2b9y0DzcVJAzfNIR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )