INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b9201a83399d94b643af06c48e24322241a86d32782a8bc31a660e66980a44e', 
    '40CPmQ6KfLWgBWVeh6zTK/Rx6S4V2XMTE1PODj+CS0s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)