INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b1a3bcd7a214c043553fba916035be03249d6932063ea936554403d0cc871e9e', 
    'aiwmsWk923xCmDL/PeeCPIbz1vjeAp4phBPGndjNJnk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)