INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921eb44a3edd0d5e04a240f81b240441ccb347cbf567b26cc6740e7d0914ce38', 
    'LHN1u5KdSuyURW5q7bFhqj3z+/hGwxeIUJqM3xvL67s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)