Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '88fc186868f037daccb29d060e4c9c9bea2261f9456c1577e8c2b7259230a807' 
  AND token = 'ox58l3CF52Luu32y13wi0M1m4cVGW2qu3mM7PZ2ZGW4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00096

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}