INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e473d4c8203e363960a7d01043f6ccd9d310ed16878705844e5fc005eabe1e8a', 
    '6Wr1gSlayQtr+OB/rOx0Yc/K3f/RSuwefrAPV38I0ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)