INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303b2bbe6b1c501cb989b20d09cf42315a2ee445fc89fc74bc3785d7bc3e04dc', 
    '+Ns1uojbQvi1bvjZVVOIxFXO79CYsPCC7l/rre0Wtnk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)