INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '493a1be4ba4397b04fc246aa71deee329b3a9622351b2e0198bf62fd5bae9d30', 
    'pa8KAaPScRwKtYfIhWnMHtrlmG+zemMuRD0x0+//ntk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)