UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't9WUSc+f38oeHRrlHb7rjAosQaHHTX7zJ48kKfYKlVI=' 
WHERE 
  key_id = '326c53a35bda4440292c8438e46e25061021a6589732cbebdd3b182f90655d20' 
  AND (
    token = 't9WUSc+f38oeHRrlHb7rjAosQaHHTX7zJ48kKfYKlVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )