INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c532621cdbd7d2b71ad146d5ba328255f65f73aef022f9d91b6e4840514f8c4', 
    'FvvKun+qVCHK36iAewhGVrj9QDaquawkYrxeOzKSDmI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00016

Result

int(1)