INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51990b39a3ee989f4ae7e5753690879b1f3739f86f97892c44ff3c7fdef4b845', 
    'ERZFB0z2X2lWqF4oFG5TQFY3W02qazpnUBWjH6okfVg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)