INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521c6b6d635fa62567680e1f2a539ed110a641e9124f9ecdb5567b7c3d9d90c8', 
    '2i10aRt5JwjitGZC93/+HEoi0KH6Bq3qt019JNtYCOc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)