INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c6d408e85a8689ed1cc21d2420796d7c610ca9def22b2110a1e10a33f21c2e', 
    '2JWyYPvDdRPSD1XwuhyIWXL6nwGuYVAbDs8fHbw6vvw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)