INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e71ddccd814f678a8f1813e0a6f42536ca0afdeadb1fccf7a3ee0048b6a922', 
    'ztvHwn9uH4AA5lUKudj2Z/4fySPcpKfO4V4ERqJf6no=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)