INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38727f91cf1342d7f9b2f703645e589609395bd771e9bc64300902937748bab5', 
    'C2UuVfmEblwH0Z3RrFQORobDTemmcgzHi+C8KITKkus=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)