INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c52f8b8396704c00e7c6e153bf5204958b19490fe4b068c75f142980e1f0a3d', 
    '+eCWexs4h8sPPCEpyi8QtO/fkRamHC9/EJRngse/2ag=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)