INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4e8763d030072ccb7d779a60ffd5540b19935f5b1a357aee9a07d543203eddd', 
    'nRQk+CSbW0atTOJZnacWZ57amhrhWR2Xb2ydww26mPQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)