INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5157793a1b6bcf90bab630e60493e00a4a5e71829e21f26276c2947804a0d3e7', 
    'c93fIjjNooqx+dq68zzmW/GfDBE6KY3sufzDdgjFwX0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)