INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '556625338753e08bafe940d9531e1d1f263288361e9f5d0a38b01be939fee01c', 
    'JXdMuULBQCqnNq6PpWPS4AnV03GN391+voDaDaMD6/U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)