INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6931d3e14b5b94c2a5e60c7beaab5544e59b7188b83b1bc6347c35502e06f9ef', 
    'QPLeY8wHqPSj4homSAkchnje3+h7LaIkLWbH4dJ2fzs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)