UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nW6RJDskGJnjspyjMEdjAQP77sqKbnQmdm6ubS9Qavg=' 
WHERE 
  key_id = '8d9a45acf841f2e6b1da3408689a206114d37afc17500d1fc8e9f1fa40a739ca' 
  AND (
    token = 'nW6RJDskGJnjspyjMEdjAQP77sqKbnQmdm6ubS9Qavg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )