INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15ffda6c6ee28a163688d0125577cf991fa44fe7d63eef1a4cbbbcde842bac56', 
    '7XOveQQrxrvgJIiKCLp5caqDhOBlRqs4DQ7dQ7SZ6nc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)