INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef9e21b77548e3b971a8e6ffa192969e54624b6ef0a87ad7eb9234bf36a590b9', 
    'MNOkunbzR9loRw1xnPVr9aWRXoNSygLs2cCNtdyorcM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)