INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0621d1e78a76ee14965d1d0d04bdf3584eb70f61b3fa479ca1035b96e92721bd', 
    'rPGmCKBEoN1IXlYzSejxYTvPG1RM3Pdzv6H66+1opJM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)