INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d21b172c8e5d5a446e2346e553ff4cebc08a949f3433cf5662bdf9294b2859f', 
    'cPVjPdWmU/g0ZkbDiNmYUa1BK0izlGZFwGiU4xrxack=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)