INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b7d81f3040880f51304bbd6c133b25bb9acc112f08c1f88775cf480d9b9542bb', 
    'JNFg61aZmqCZOqkjwcw0C884EPbeXstdq4C1j0576FY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)