INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e3c2a9f098e5543c60eeecdaf956483bf7bfe24b141d02580ef8ccf0055ad6e', 
    'scbdc6yEajG4xWR4DEkZsyMx3xMOoKTK+GeicXna5FI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)