INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '835fe29830443dde483afef0bc25137d48dd8933b4cc9bc842834cace4a72e08', 
    'M7Z/8IWVMOG6MGl9hgKGoua10iU3OLLbY3UpGXf8lYU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)