INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3291401a0fb93adbf15b0a57a738e50a28178849c9e0d89c15f6ea71884a835d', 
    'Kya4OlxDU8DQZMK9tR7x3XAK4CYmmjAI3wP6BUS/SxM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)