INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91e2b762f700f726fb846bf0fb3a7cbc5f2902b137f704a3ce58553c777b48bd', 
    'gCVMbhAf8gxewHU8jpwDHZwmZ2VjoXsf3RHncbgnKjU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)