INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51523576a245acdfb87c7033991423f1c06ec6781334cf265820e29bb9ba0bd7', 
    'XBWOdbz1DO7zx8Tym+5FL0UMUuQJWzmyBdIz8XOfFJk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)