INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e76728998e3d4979a868afed022c5115e5b11a33149da220f28049dafad13e40', 
    '7+3OM7XInZzllvsHDWdlm2j3YfZICmGyTrX1VIDb+Ok=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)