INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ebc4f05f4de1fa1c93de007733ea43e41eecef1d5f750d609c13783f867da86e', 
    'gtwKfDwrlOkOCJDBLVaYI0I2c5B12yxP78iScb6KhoQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)