INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1204ac0a53d3e723463af626d39928369d5a69e5c5079120a8533c88d5efb358', 
    'xaDIexyKWRwo1T4wiqXzHoBZpRZDPq80fiDyyt9daeo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)