INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c5723d53db0945133b666bbf302067f953e808864c7222b2dd15a7475c5daafa', 
    'G4pLaJP2vmffhAoobPRC0N6HzQaKEoIBslpIBNsxyFo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)