INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c3c5d182d1a56121da2503a3fa257fb4251bd5549d01c341ba219867f148b4a', 
    'U6GWi4FKqEbzRpuXwyJZLqHj63E5IyhTpWkmL1vCjHg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)