INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6f4df072b5c671a111095a5444980214faccaff8c56e38e9b301e4b0124ba98', 
    'S3B9aFdz3OcvECHldbziX8uCxZ8n2TucpT2yZ0erArM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)