INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b9a1a55a597dcbd17a29454f54f2ce7cb0a12cc443e5db6820f645315404aa03', 
    'WHj2JhRINgxHc9l8e8ZDFBN2UZMd923kTi9ff//lGww=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)