SELECT 
  redirect_id, 
  src, 
  type, 
  object_id, 
  dest, 
  lang_code 
FROM 
  cscart_seo_redirects 
WHERE 
  src = '/uk/schitochka-dlya-briv-i-viy-silikonova-1-sht-uk' 
  AND (
    cscart_seo_redirects.company_id = 1 
    OR cscart_seo_redirects.company_id = 0
  )

Query time 0.00039

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_seo_redirects",
          "access_type": "range",
          "possible_keys": ["src"],
          "key": "src",
          "key_length": "771",
          "used_key_parts": ["src", "company_id"],
          "rows": 2,
          "filtered": 100,
          "index_condition": "cscart_seo_redirects.src = '/uk/schitochka-dlya-briv-i-viy-silikonova-1-sht-uk' and (cscart_seo_redirects.company_id = 1 or cscart_seo_redirects.company_id = 0)"
        }
      }
    ]
  }
}