INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1488540754a1cfe7090989814de47a9d7a43b18eabf9cf6300513cbdad15545e', 
    'bVzaDalq1oqMaMCxdzYeyqp71h2KTI7IACPjWoOf+D8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)