INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a75c7ba561ebfce3bc1fba45343810a7c3b68b369710dc8bff41b99824df208d', 
    'Xl7C3VlF+V/QKLTU70kZ6NhwZGl5JDXsYk9550DZ6wc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)