INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4a5a2b73455b2f34da8befa72c9b1178dbc44fe209cdb7c09b0d96ad1c28943c', 
    't6vlSghSAXc1bucCiPev8F5teA0c6gV9bMlg28IJbv0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)