INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f21ecb2b13d5c1dd0c2394d31c9b27f4bb6457af831623b0917b675af42850c', 
    'LPpfK+d67ub+VRF5WF4McEhJErhNbzBy6qTyQ5MCovM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)