INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d2e9b938d31940647ca590cdd2e31148f26408b06f75f796a1379f8b398ef2', 
    'BI+6UC+LRvmprLORbzin99uLN7MO9DDqPTlUR8QGQJc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)