INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '321934a566fba91a0c31d9234b900f1c58b07a061292fe40730d9661993e0d4c', 
    'RZ7a1jHAgOHNbMgMw/goP9wiFudX1HPEUGmZ+DlrXcc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)