INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5388e02cab20274d3ff5dd6b214af4694f386b3939dbfa20c7c2105173194f29', 
    'bSzt050JTYmRFvAVghmjyj8eIM+plMypgOqcIQKerfg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)