[Python] How to update a database using a loop?

I'm trying to get my bot to check the database every second, and if someone has 800 XP, to change their rank to 'Elite Genin'.

@bot.event
async def on_ready():
print(f"Logged in as: {bot.user.name}")

if not loop.is_running():
loop.start()


@tasks.loop(seconds = 1)
async def loop(ctx):
guild = ctx.guild.id
table = "PEOPLE_" + str(guild)

try:
connection = mysql.connector.connect(
host="localhost",
port="3306",
user="root",
password="root",
database="naruto_game"
)
cursor = connection.cursor()
except mysql.connector.Error as error:
print("Failed to find name: {}".format(error))
finally:
print(f"Logged in as: {bot.user.name}")

sql_update_query = "UPDATE " + table + "SET rank = 'Elite Genin' where xp = 800"
cursor.execute(sql_update_query)


But when I run the code, I get this error.

TypeError: loop() missing 1 required positional argument: 'ctx'

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