INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6f9a3cfb238a7f142f0198acddba952513724fef1029c6484478c865374749c', 
    'rXIpptuTlrg3yH5uAYToDq1DLV8K7Z5KrplCpDTKLbY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)