INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21162dcaee7ab053876cbbda486a8a922a9725e9a1e6ba69af73b2392c5fbb04', 
    'THUVvWj0aiQet5hnGdxAZ1Ndj2b4ifzZUQ2yzPxSczE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)