INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e4137370e4345acc41d2f68bdce85b1094ca3e710806cf4084ea3ab255afc8', 
    'ELxBzdYGSaniBhdEpI+PjavYpCRYymsW9YTw/cn2pmI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)