INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4e6c795de5098555a2afa6957edf60306ec4a2a0e9bbe17a135fb05186ef4c9', 
    'kHo/DIozW1VVb7w9KSblzkEC6fxMmp5pthHXiG9sG+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)