UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7yElnxYC8diU1kkCf13zLlXfTfF6gYGEuEWAsJoLlpg=' 
WHERE 
  key_id = '937c4f3f9fff5ac7fb35c53e81270b57dcbe3302413a3871024d28bc38b5ce3c' 
  AND (
    token = '7yElnxYC8diU1kkCf13zLlXfTfF6gYGEuEWAsJoLlpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )