INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51bc27053a65dd475fb6d1ec950de51759e9a777e16916f5b5ee0b46d56ca7b2', 
    'NQu6LVCnijvduznFOfsDNURHUik0GUcTCWtm+lyUiFw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)