INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6af58407103cfb5e4559d2dbd617a856c959a28fd6586528248b493f6663da66', 
    '3wDflp9Fr8CQo5L9JtW8jeR7ck0En1HD/ty0KxEApUY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)