INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5168b0200b2b8b45e35da653c3945ccd521bcef8f2f29575e67c348976367f8f', 
    '8b9i75LtuLDHQIQc5xO5ehxbUS1JD1usI4NxggPPans=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)