INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b5f97762b607487c654be2b35d7a06e1c992709a59b6284236e51549fd744a5b', 
    '1Z9CRU2HHUbzO0Q7ziNCjbiLpYHj/FW3FNSIH0vjHao=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)