INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c0a7bc281d7880334def6b507058c911b01b32512a9c2492d2e3dd98617b3b', 
    'e8CLED9lPuLhGBkkgdlFs4dC1lxEb/wo/cQIx5wzn0E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)