INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3c9f21f4894b58e152c1dab3f823739d02a5b8c0460ce08c5788445429a70a2', 
    'Si3KympvFI47AJRo8boZtMHSjohayDlaJtd4nhTjqWE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)