INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d21b2827886bbf5cce950d4417824fb4f0b3ed8594c308bbbb9d4e262120a9b', 
    '9s0wMPbMDuZn+AGt2TLBNfUEM9Zan43abDpzvmnc1J8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)