INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5576d722f876af029afcba6da28d7b50f1502d03d012e0872fcb7dfa4ebad4f5', 
    'uL1idqjkXDV9/iDm+stIjRTQjTOtPBIPAj19cmL0pxw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00064

Result

int(1)