INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b520c527bdb0bd2646c781a819a855cf2d10c343889bcee910c59e025a7ed1c1', 
    'QVsl6GmDE6uhkcorwre1VscvZOTpBLLTYhBwwiQPoLM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)