INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2db97270ecbe79580867c935fa316950f6d35642d181933c57972586021951e', 
    'KeWCj0XIThDhSOFgoJPmWMwqLpxIcPtHZmTtjVMKZ+s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)