INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4d8b4e23a706087ce561023a82b8bd6006a2a2b27af58bf1ff6d4bedbe98feb', 
    'E1pFQukqOfn2lZjUg6MXE60qK8xwbz1aC1sbUHHe9hk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)