INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e521a9720909dc0902f66fc7f99b51c561f40a873c2626eb79c64860cbbe0185', 
    'RhLE1e9B1sAqpv0yTEWARFt0nFHZ2yp837imYe5ciPA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)