INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd2834d57ff41774979bc8d2e02c6a371a85043539a897545e78b7752cb2a82a5', 
    'dLkfltmFcoWha12wr9GMZXhqzet4wBWGsgZvVvLgFtg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)