INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4df6a0d458d74a4a7a66287a38a1bbda7695b6e16118f854162ea1eb626876af', 
    '8OeCVGg2c6OayqBVnLSnjfGwxHHTF7//4N2uzb4BJ/M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)