INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3441ed3e36d1aebdfb98dc8ce84198caa251f43a097a96d571affb32e3dbc91', 
    '4WJvBZzMMfHaCWKDTgShIpTrDpWZ19BI4Jk5C6TXSvI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)