INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6d23fefc270092be0babed0f6091550e637a87f193d2269a737690cb52faa55', 
    'USFDGYDtjNXyb2NqP/PpzQbAUgRW09D9RO5tmV78KTI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)