INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '855b3b114feacc44b7dd64d5624690c077758360e188821f72009080d08aaff4', 
    '+d9zeLyid2CAr6zFgh2rbUaH3Fsk9TPWMns4lArPV9w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)