INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f99d854ac96af34f72cd3920f5dcc7349d7beef477b5db0d79a078cab1139e', 
    'sjhoQ4LowrOg4+78jvxgpXbwDuCldyhrePpbFxk99jE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)