INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '278894452d290bebd1f9dcf99c0e16b93b5c3bd65e9ca1000e9c58df2520669f', 
    'DQiYbzOIst7YDBkOZRFkssX254PdE5fEDCftJMU4sGQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)