Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3755f00b73edbfe93a6cc25c9da9720013151bd8f873d55c7eb63323712f2cae' 
  AND token = 'HOIkNlnsbYjl4yC6eej4xsxTKuYkqRfTIarvSAvdXes=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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