Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '41211469b46eefb30a5c76e49c674ec92c62eb16e97f4f4dd9d46743f8108e62' 
  AND token = 'ESIuqGoiS04bEES/+EXQxganBT3Ds+4mmS8kMoqLNJA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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