INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15a2d59468f59233fabfcecf6422ed34f7d76ac1eaa1088c60d5b6be31fcd56d', 
    'T+oi9qftfzdPXej2vX1U7zZU0cAddMM7oTsNGF8gEBM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)