INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '218b3243ffd6958cc16fa2921b983b606e7c46a026212d0758323a0a649af8d8', 
    'uLxl2h0wuAX9ToEdegDtkyzfoJjdAnZ8bJzWlbETYfo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)