INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53f4bc3dee04b2c561c544a1e1021d49f9d8fff783aff04350fad8db08852f03', 
    'MKptqoqytKWL7EQlOvbLQ0Creo4wuzYsrhDWjI/ie9M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)