INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7999a8d27f9ff36be3798e7250d22abc50ee730a0b93c4d97cd2fa391c27d5b', 
    'UH8Dkgcbx+Q5OCYj42PMEmmajQVbDXRHsbInSNlarhg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)