INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8e515294504933fb39573237643cf6ad6cf6be03566e88955227912029ec4c4d', 
    '+YmFkBjXqR9hBiDCfiglQvFHQrsJ3ms3/anktPrPgE0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)