INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8c90c11907802a1de4b8c9283370228092e64cbc3ee8936ffd777058c6cd7ee', 
    'sjyaaBPWwb8RoEFU5saJUM7IPqQR30jeKxmtY7G6+KA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)