UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+StMkL0lADhKhDrPLZXJj6f9JFEGn7gucIk0t4dv5Vs=' 
WHERE 
  key_id = '7ad8508dbfc544cfdefd278c287853a86b2d5605beb95918381602e44abb68c2' 
  AND (
    token = '+StMkL0lADhKhDrPLZXJj6f9JFEGn7gucIk0t4dv5Vs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )