INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b3519ed69889da4a60970255461838b26493f0de87172e396fb53057d19500b', 
    'lZLlAXlJy7OVjZIRkS5cD08JGwkER9W4yA4ULgKaq0Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)