INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '99338759f9c8857d9af71e7a794e163936becfb7904c4465ee3ea7030fee2fb5', 
    'l8CH/ieAOMEH4/+8hHHCVZ0Sgp0MLIXmQ7inr9DhwZk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)