INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8339afa7cbac67f08fb6bc65ed2129d045f6a819a600574010e3d63a08600ee', 
    '1MEcmd+u8DQGM+WR5b3z2LL9Vkfk0jcwqnbRwv/p8GE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)