INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c515273648f466d4b7b430133863626a824bd2abbadb506a05035bd2bb25691c', 
    '88z2BPXYteOfVQPRhxAcrzskLjYDjH60JpWnBpSyHIk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)