INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '391a45751e69f87949b663bd1d5cab2e7ee608e672f0aee24cbaaaaa8e25b7fd', 
    'n5iFhOJCsiWpBW1IeMTPFArMjRMPgh8OWI49dHzptdw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)