INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ce323949b3ffdc51de721e17a6d9043c07268c6c4de55194334b791c908844', 
    'TLYxlirjLXfYc+HYvwQv+6zLICXLWP8Z9VeTt3tKuJg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)