INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c100d2dabe5df6cbc0a0baf47d80a010e6335c9f1affac3f02867cb941cc80', 
    'arqKgyUJUadL2XOufKU9bvQTRPChdKEEGZJUz3owo5o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)