INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c8ff33f5e7d72c417ef1b34cf346dc6f114de2f1a9cb3722f43070496ad15c2', 
    'clE7x2E8HJO7gM5Ju1Um3JstXFLCG2NqiE8K8B9XW8g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)