INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef98264c0f4bfae51003885ad7d0a017c78d8179afdcba429863c08659c4e40e', 
    '/4JUjFAjX3fHIcD4o4U2UOJJpQDYT8ISuoSPBRhwckg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)