INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7e9298caca963d00f88f375e11d826852b584ffef7c693207d89b928be023350', 
    'CU+D18VtUStzTPITKDYzTFiPPWLbp75f2tQJPfvSWn0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)