INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ed6c6b6062c58d395f026544ef1891e941d5a79e4ac5c0e7455100864d094def', 
    '6AcS89IGnfkuYECZlFjFXW3IbNQaVeroxxsBne0mwu8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)