INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8446fc2718283c867e0e81d0425f5930fd5f831a2634785f1449f3f54b56525', 
    'qtRVqt9uLXGTTcInB6jHn3547drH/fxnMI7U3QD4Npc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)