INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3e8197222ce7f8564e8c05ef93846357256dfafc0388eb628df046af76396e9', 
    'mbxmOfIeERmgc9Lr5u2Ef5ebnm9m6askk+EosEEiQY0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)