INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '387ca57832b60c67e3cacf0c02976a92c38ed6ab433afae1bc1eb2f9ab3ebdcd', 
    't821u6eSnfQ25g2DfO+jObGpRKDkXu3E01EOnOHLgp4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)