INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3521226cb16d37b03d01814be3e998ded193131fbc94ee55720c649cb9b0e72', 
    '4a6LbgAXQsC9CBe7Pju2J1KgJTFebHT9S19Rtc7J9PI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)