INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a35e121a4349d501fd95f36311ef6c13734825176f2437a9737c5b21b5441e', 
    '+ARZ2fpfG0486i4y/+JJo66/n2vLTVGeZ+xfWOn4rvs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)