INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '34571c7d1b950420343d8ff644b7a49cf5fb5c88398cd6ecb2c9516417b69b0c', 
    'KbUmnWus1zS++ZMJFb2lzsUAXKfN77JkPpa4YnsdRt0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)