INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a6e11b6903ecbe161ac1de2185c02d922889bf743e3cfd561870827af57619', 
    '4BusrEmndicq5qEVXMhUt+ehH68cpeVDh9XwWWVlKrY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)