INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7f303f953a284c7cb00138b50d4a6793212382e71a44a449562e9236e02ef3e', 
    '1RA06kOUkxix7TEyM79oa1JGssvbvAINfN9SF0TU/LY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)