INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '321e56deba3380764e6daf3c19a467733ed5a4dc2bbe7ab21a4e565cef4f7ead', 
    'ZjT2IIMMGWW2Rx1R3qnT6KueHHiuSNBIeT4QvshVABk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)