INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7271ffdbdbbfdb760963ca8bf65a331245e6192274f88d79a027a486bccba0b2', 
    'mdU1Vgcg0W9MalzpQQcOF6DS7aa2FK3SqQyiSsbX9PE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)