UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rfg9/rjdT+uqCY3lp2CrVxi0qYn12x8qQrQVb7mzuNU=' 
WHERE 
  key_id = 'f8a138e255e93fa2eb322d6a4fa3dda7ca39e30887c6a7a9204cc4a9f60642c6' 
  AND (
    token = 'rfg9/rjdT+uqCY3lp2CrVxi0qYn12x8qQrQVb7mzuNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )