INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7d9e30f4d0fa3a9c6471b6a9c94581a11a551d190e405ec3fca94d75c6d6025', 
    'nZkP5sVrT/W2C0XWhUrPvSWJIfsAf5ItE8VB3OeyQzY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)