INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '518c460bd6409936330db7cc6ab6ec8a6ee664cbefdcbf9ca46ac760d2c245b0', 
    'kUM2TRr9YVEbOJlNidGggxL2N7mgcuK8O3aeMsR1A+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00062

Result

int(1)