INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '555c6f39f12856a94d9315732bfc14bc15526311688ff29726b37a3a613b06d3', 
    'nUc18dR0rxaCQDrm3rtrKep8xjQtCwF88obtyHIgkDA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)