INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e81eaf2b3cb48c4984317f0637af70d3e6b756b2fdb2caa1b13fe41376f89fd9', 
    'VLPECvFx4+OF0qap4hLNZgnNApv+z9aOUKCF7SQICKw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)