INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d21639e3d4c86a0a6a13e28cf9ed7437d1d4715fc1e9021b8d1d185add16713', 
    'bKTSCxhMiR9uVe+Zz5u5UhDekUsWQFnTR6eVeI+N17c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)