INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e40088b90d3dbabb34f8b08f1fccbace393ea97c520115c4380694fedd72acf', 
    'R88u2Smas2I88aIAIesr9LaDNejgcPd1fMHpphROLtU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)