INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c3c3e356843294089b45c2ef93e7d51dd5e45601a73c18bd3bfa024fe18a26', 
    '/LBZ1IhvdO1j607flxqKpoWp1lCgUbci1P8LKLaFehU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00064

Result

int(1)