INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c7dd6872c3aae992c6f4d5db06049f541cbca7ce7b52bfd953339e6b3f07fe6a', 
    'nn2zWnuu6pZ12O5GpifEccasOGBhW17rA7uEnsK1pPY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)