INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '266e6db0e000eaebb76487429137a2c4a53eb7943481e51b3b56246550576bb7', 
    'QjXZTddvG1Se3EQ+Xn9Swmktv0Pu4M+FhvVjB1SF2ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)