INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a4f114e3f36b759ba8796e6432017b9e2610a752f3b7a30646debfe3056741', 
    'JmcQ96uCbInuebJQrxeWTjD7hInEKUbnW8IorSnICFQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)