INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e1490b47a40d11fbad2d3eb3a33b8f2a2ef86012be064de3b9b3d5eb4116ac', 
    'mxKLSsNtWWDfTectzHG77xtT9v235dBKQ0uGDm/fkxY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)