INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d12f03fdda37661dfacc4033f3788979094bdd30cf36c322d01a9dcd838ebb', 
    'UPhPwT4mMwmdpvU1tAtmovHBSiyIinIHUF4iXHH9pjQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)