Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62fef35f210728eda1e7a55784292c74f4a1bcf12e099bf1fc5a07f834042d97' 
  AND token = '5FYbTBvTu3W4Xa0wxn6wvnPwHNYa1+LmHzc4/LXJ9eA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}