INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50cc6a7428e052e1e388e06881c69bbc9b21ccec3058369ff36163774310d517', 
    '2kY5l+1QtqMMkaAFQ8NcoiHi2zwiCNI0WDZhJXt8KfQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)