INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b50a4236dca640f2555819f53af1cdef317c2901e493b7f76119a4eee335f99d', 
    'olhFBNUY3x7OEYDJVAOr0TMAq9xIO3FWuC5uRFvi4Zk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)