INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8ab90a45c1f770c698fbfda381a94d862411aa367f99ca018554de3a27667fa', 
    'XHezR2rqHkoPuPn8XaAuEqM8P//dU2rW5JBrWM7D8Cg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)