INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20f504d25f5373b51c86927c5b9295bb2cd6985db2de2ba99cca204aa08b1828', 
    '+5Cf0D1wNtZQ4fWrceHVBjdx0YoxsOdwVKwxKRJ0OqE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)