Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '901e8d5b80fa0385991b915d07526715e9721e825674f7d5d4da021e8f84a597' 
  AND token = 'A+2LovNkSytVVyX+3TZos3Yn2HUbzi8Uv66so5HXUx0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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