INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7ce400ce6374c59b38b290a9d5d2f4ff64af38b668e7f55a88994bfc118ab264', 
    'CDczniVWyDHeC0v2PoG1aNvfw0lWInqLyx33dmO//MY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)