INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3cb558f807d04ee7a19db40e23c0038833b4924bd65ca0872c485372a25807b', 
    'kPz6gs5GVpHCTlOcITsQNBPMw1B7FL8ftQ1A/KojNJo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)