INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1e52c9510be84b1aa63d61452c66bb03797803711f21016377f58e6acb226c12', 
    'Nn21qjAh2EAzz4OlyN7KbOCFCPBZME9kPNTUEyboB00=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)