INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b99f5328031aa252ddce4713ac32927dbaddeff54cf7eb8de3e259e883d3503', 
    'IPsTib1+T37UYdHpb6ZVifE0Z3YJj1ZQYdH64U2oOA0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00073

Result

int(1)