INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921c0a42dbca9493f7c7e3ed9d889c2f01ac33122234f05137c655d43623b2f2', 
    'QcubnPT6zItAK76ZI9MTqvrxliKdRWiMrNDpcJvJ8BU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)