INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50973723e6f40a877ce5eb65ff28ddd9b3fbb42ed2ad281799773abe589989d5', 
    'N4rWKHRQ8q8+hc3A6yl9slQDe6gNkh6pBqJr34jpYjc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00048

Result

int(1)