INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ef6472c5f50681874db2b1ef9d539faee30fb817e68cc83e2a94980514f7d3', 
    'Ra2FrOvhDOX0uhEojJLNdFwNvi6jZhIfc40ewNG4R1Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)