INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8e51c7d41e76ca0faea598bb867b6ea4c3f295a9c95669804b1934692947876f', 
    'mcWj/uXwy31j6S7lHwZyRrFq7j6SWv8h6W0QoCuYBMc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)