INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53c16c524ec38771c1665e818c640923517eddc06b91746e6b491c39ab73e62a', 
    'heZ0EtHvbIUTTUq9UgVQMOAhLU7iOZwNPs1V/Nc8aMo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)