INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '294950f809d09426ad0c472edeb76b52e78859a628bc737389e98091d0c8a434', 
    'BMtbataijn7szB4A1WZfd4zCaAaBs8MH3JnSnPWGABw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)