UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BuFH7NC0I0sJ/1JNY6vHZVY9WDdtZDBgiMLGkmFaO1Q=' 
WHERE 
  key_id = 'a9ce3f36849813990c91a13e63b1caf0721c8de2e63195726b468b0bcd6f9bf5' 
  AND (
    token = 'BuFH7NC0I0sJ/1JNY6vHZVY9WDdtZDBgiMLGkmFaO1Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )