INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a230a03dad8540d4b5607146360a8ca991adef206626ce5825a964e4912b1c', 
    'KsC6kgBW3m9P9pzobiZco4g4ywKpi4Qe6rAsElGKQqM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)