INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dc21e97ff3c89628a9243cc3733524dd5c14ad7610a941a85dea2159f09da90c', 
    'h8gt5BBZZX9YS/RFBuAG0jAE1S3wFjP8Oa0Hg1ClABw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)