INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9121ba3b6db018e3eedec97f65891d805988935fded0f7b94ace430e583032fd', 
    'a5GIn6xAeIfNzoc1MM56RdWKwOyXpTPyn4VOYlqMU/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)