INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21edb522cc43866ee5bd7ed9cb99a60fa3b2d8aafc981ad1a4bf5ef3ffe1099d', 
    '+OuaPhBbsq1iNfABqlVFQxTBI4raG1oOffedjEzix6c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00066

Result

int(1)