INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fe7e743f19349d3da0fafd6fa52ddc9ac9d9f07096b72ba849e39072edf9538f', 
    '6M20whtd5pby09lZ1QcPZkFhePTCh4vAHmsYhqjBBS0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)