INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a845b270b8f1bd7914a3dd13b58f1a6fd2620d2b8b25a0ce25a60c4593a751', 
    'Wpb5bWBJMRQBpenXvQVQKieXI1vfguMfQi6E0WYRhLY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)