INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8439428a1109d236e06fffd9b092a5caec19869fef6fe3ba4c1badcf889e8de6', 
    'MbL1pUGEWlt2paMlFhH7q3TDeXDsbDjbaNclmlIYHl0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00060

Result

int(1)