INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2d5e9ed322a521495021660339d9e110c7d5a6b5681543855af903aaeb604db6', 
    '3cSTvon9svbQpWmDe9GVOu2ojJkP8hl3TOgvD2//wBU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)