INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b538fe1ce343025bf1776aee82b52bfba1824518099929e502b863e1d865e515', 
    'ePZNr1WPRUiy5fsCsAn3mIVdA0HAMEeqVpmZN4ip5ps=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)