INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a661500aa53f92fb2c8b1f6b762d218a268b502f3330c5876e83893b48a971db', 
    'znTQOmzdHOkQHlIAf41iGzI1sxhO9Lp1Rv2ekMjUjc0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)