INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52d99e6c422407ddfbbe1847b6674c9480b31a895570d4ef1b476f5edea54d58', 
    '68c90WlKqPOEKUBhX3sa5Em8JbamPhwgCEy4RnDv0wY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00058

Result

int(1)