INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4839427e7e87978cb182e3542916bcc3864e974580dd9fac9e53c737195d156f', 
    'FCrzYO1sXo2WAvW62OOVk1OGqYoKF3jfbzWMs5U8Ob0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)