INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'de6818e006baff497afce8fb21908e043ea4645853f752e8f25615748eefe41f', 
    'eYhKq/28Z4TzB72DewKdlKxjQMGpr/rUa5lDgbp6eLk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)