INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6516de2eeb95a8752b66cfc95f0bbecd5bf16e69508880f7351a7bef6d025ed4', 
    'VAoCb0zT5Lx/lQKY3x1G7ALOwrXBftjx+MngpT0fgTk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)